cos(x)^2-1/sin(x)^2=0 la ecuación
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Solución
Gráfica
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||
x1 = - 2*re|atan|- - + ------- + ----------------------|| - 2*I*im|atan|- - + ------- + ----------------------||
\ \ 2 2 2 // \ \ 2 2 2 //
x1=−2re(atan(−21+221−3i+23i))−2iim(atan(−21+221−3i+23i))
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||
x2 = 2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------||
\ \ 2 2 2 // \ \ 2 2 2 //
x2=2re(atan(−21+221−3i+23i))+2iim(atan(−21+221−3i+23i))
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||
x3 = - 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------||
\ \2 2 2 // \ \2 2 2 //
x3=−2re(atan(21−221+3i+23i))−2iim(atan(21−221+3i+23i))
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||
x4 = 2*re|atan|- + ------- - ----------------------|| + 2*I*im|atan|- + ------- - ----------------------||
\ \2 2 2 // \ \2 2 2 //
x4=2re(atan(21−221+3i+23i))+2iim(atan(21−221+3i+23i))
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||
x5 = - 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------||
\ \2 2 2 // \ \2 2 2 //
x5=−2re(atan(21+221+3i+23i))−2iim(atan(21+221+3i+23i))
/ / _____________\\ / / _____________\\
| | ___ ___ / ___ || | | ___ ___ / ___ ||
| |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||
x6 = 2*re|atan|- + ------- + ----------------------|| + 2*I*im|atan|- + ------- + ----------------------||
\ \2 2 2 // \ \2 2 2 //
x6=2re(atan(21+221+3i+23i))+2iim(atan(21+221+3i+23i))
/ / _____________ \\ / / _____________ \\
| | ___ / ___ ___|| | | ___ / ___ ___||
| |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||
x7 = - 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------||
\ \2 2 2 // \ \2 2 2 //
x7=−2re(atan(21−23i+221−3i))−2iim(atan(21−23i+221−3i))
/ / _____________ \\ / / _____________ \\
| | ___ / ___ ___|| | | ___ / ___ ___||
| |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||
x8 = 2*re|atan|- + ---------------------- - -------|| + 2*I*im|atan|- + ---------------------- - -------||
\ \2 2 2 // \ \2 2 2 //
x8=2re(atan(21−23i+221−3i))+2iim(atan(21−23i+221−3i))
x8 = 2*re(atan(1/2 - sqrt(3)*i/2 + sqrt(2)*sqrt(1 - sqrt(3)*i)/2)) + 2*i*im(atan(1/2 - sqrt(3)*i/2 + sqrt(2)*sqrt(1 - sqrt(3)*i)/2))
Suma y producto de raíces
[src]
/ / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________\\ / / _____________ \\ / / _____________ \\ / / _____________ \\ / / _____________ \\
| | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ ___ / ___ || | | ___ / ___ ___|| | | ___ / ___ ___|| | | ___ / ___ ___|| | | ___ / ___ ___||
| | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||
- 2*re|atan|- - + ------- + ----------------------|| - 2*I*im|atan|- - + ------- + ----------------------|| + 2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------|| + - 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|| + 2*re|atan|- + ------- - ----------------------|| + 2*I*im|atan|- + ------- - ----------------------|| + - 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|| + 2*re|atan|- + ------- + ----------------------|| + 2*I*im|atan|- + ------- + ----------------------|| + - 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------|| + 2*re|atan|- + ---------------------- - -------|| + 2*I*im|atan|- + ---------------------- - -------||
\ \ 2 2 2 // \ \ 2 2 2 // \ \ 2 2 2 // \ \ 2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 // \ \2 2 2 //
(2re(atan(21−23i+221−3i))+2iim(atan(21−23i+221−3i)))+(((((((−2re(atan(−21+221−3i+23i))−2iim(atan(−21+221−3i+23i)))+(2re(atan(−21+221−3i+23i))+2iim(atan(−21+221−3i+23i))))+(−2re(atan(21−221+3i+23i))−2iim(atan(21−221+3i+23i))))+(2re(atan(21−221+3i+23i))+2iim(atan(21−221+3i+23i))))+(−2re(atan(21+221+3i+23i))−2iim(atan(21+221+3i+23i))))+(2re(atan(21+221+3i+23i))+2iim(atan(21+221+3i+23i))))+(−2re(atan(21−23i+221−3i))−2iim(atan(21−23i+221−3i))))
/ / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________ \\ / / _____________ \\\ / / / _____________ \\ / / _____________ \\\
| | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ / ___ ___|| | | ___ / ___ ___||| | | | ___ / ___ ___|| | | ___ / ___ ___|||
| | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||| | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||| | | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 |||
|- 2*re|atan|- - + ------- + ----------------------|| - 2*I*im|atan|- - + ------- + ----------------------|||*|2*re|atan|- - + ------- + ----------------------|| + 2*I*im|atan|- - + ------- + ----------------------|||*|- 2*re|atan|- + ------- - ----------------------|| - 2*I*im|atan|- + ------- - ----------------------|||*|2*re|atan|- + ------- - ----------------------|| + 2*I*im|atan|- + ------- - ----------------------|||*|- 2*re|atan|- + ------- + ----------------------|| - 2*I*im|atan|- + ------- + ----------------------|||*|2*re|atan|- + ------- + ----------------------|| + 2*I*im|atan|- + ------- + ----------------------|||*|- 2*re|atan|- + ---------------------- - -------|| - 2*I*im|atan|- + ---------------------- - -------|||*|2*re|atan|- + ---------------------- - -------|| + 2*I*im|atan|- + ---------------------- - -------|||
\ \ \ 2 2 2 // \ \ 2 2 2 /// \ \ \ 2 2 2 // \ \ 2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 ///
(−2re(atan(−21+221−3i+23i))−2iim(atan(−21+221−3i+23i)))(2re(atan(−21+221−3i+23i))+2iim(atan(−21+221−3i+23i)))(−2re(atan(21−221+3i+23i))−2iim(atan(21−221+3i+23i)))(2re(atan(21−221+3i+23i))+2iim(atan(21−221+3i+23i)))(−2re(atan(21+221+3i+23i))−2iim(atan(21+221+3i+23i)))(2re(atan(21+221+3i+23i))+2iim(atan(21+221+3i+23i)))(−2re(atan(21−23i+221−3i))−2iim(atan(21−23i+221−3i)))(2re(atan(21−23i+221−3i))+2iim(atan(21−23i+221−3i)))
2 2 2 2
/ / / _____________\\ / / _____________\\\ / / / _____________\\ / / _____________\\\ / / / _____________ \\ / / _____________ \\\ / / / _____________\\ / / _____________\\\
| | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ ___ / ___ || | | ___ ___ / ___ ||| | | | ___ / ___ ___|| | | ___ / ___ ___||| | | | ___ ___ / ___ || | | ___ ___ / ___ |||
| | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 || | |1 I*\/ 3 \/ 2 *\/ 1 + I*\/ 3 ||| | | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 || | |1 \/ 2 *\/ 1 - I*\/ 3 I*\/ 3 ||| | | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 || | | 1 I*\/ 3 \/ 2 *\/ 1 - I*\/ 3 |||
256*|I*im|atan|- + ------- + ----------------------|| + re|atan|- + ------- + ----------------------||| *|I*im|atan|- + ------- - ----------------------|| + re|atan|- + ------- - ----------------------||| *|I*im|atan|- + ---------------------- - -------|| + re|atan|- + ---------------------- - -------||| *|I*im|atan|- - + ------- + ----------------------|| + re|atan|- - + ------- + ----------------------|||
\ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \2 2 2 // \ \2 2 2 /// \ \ \ 2 2 2 // \ \ 2 2 2 ///
256(re(atan(−21+221−3i+23i))+iim(atan(−21+221−3i+23i)))2(re(atan(21−221+3i+23i))+iim(atan(21−221+3i+23i)))2(re(atan(21+221+3i+23i))+iim(atan(21+221+3i+23i)))2(re(atan(21−23i+221−3i))+iim(atan(21−23i+221−3i)))2
256*(i*im(atan(1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 + i*sqrt(3))/2)) + re(atan(1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 + i*sqrt(3))/2)))^2*(i*im(atan(1/2 + i*sqrt(3)/2 - sqrt(2)*sqrt(1 + i*sqrt(3))/2)) + re(atan(1/2 + i*sqrt(3)/2 - sqrt(2)*sqrt(1 + i*sqrt(3))/2)))^2*(i*im(atan(1/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2 - i*sqrt(3)/2)) + re(atan(1/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2 - i*sqrt(3)/2)))^2*(i*im(atan(-1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2)) + re(atan(-1/2 + i*sqrt(3)/2 + sqrt(2)*sqrt(1 - i*sqrt(3))/2)))^2
x1 = -0.785398163397448 - 0.658478948462408*i
x2 = 0.785398163397448 + 0.658478948462408*i
x3 = 0.785398163397448 - 0.658478948462408*i
x4 = -0.785398163397448 + 0.658478948462408*i
x5 = -2.35619449019234 - 0.658478948462408*i
x6 = 2.35619449019234 + 0.658478948462408*i
x7 = -2.35619449019234 + 0.658478948462408*i
x8 = 2.35619449019234 - 0.658478948462408*i
x8 = 2.35619449019234 - 0.658478948462408*i