Simplificación general
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b*tan(a) + b*tan(b) + tan(b)
$$b \tan{\left(a \right)} + b \tan{\left(b \right)} + \tan{\left(b \right)}$$
b*tan(a) + b*tan(b) + tan(b)
b*sin(a + b)/(cos(a)*cos(b)) + tan(b)
b*sin(a + b)/(cos(a)*cos(b)) + tan(b)
Unión de expresiones racionales
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b*sin(a + b) + cos(a)*cos(b)*tan(b)
-----------------------------------
cos(a)*cos(b)
$$\frac{b \sin{\left(a + b \right)} + \cos{\left(a \right)} \cos{\left(b \right)} \tan{\left(b \right)}}{\cos{\left(a \right)} \cos{\left(b \right)}}$$
(b*sin(a + b) + cos(a)*cos(b)*tan(b))/(cos(a)*cos(b))
Denominador racional
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b*sin(a + b) + cos(a)*cos(b)*tan(b)
-----------------------------------
cos(a)*cos(b)
$$\frac{b \sin{\left(a + b \right)} + \cos{\left(a \right)} \cos{\left(b \right)} \tan{\left(b \right)}}{\cos{\left(a \right)} \cos{\left(b \right)}}$$
(b*sin(a + b) + cos(a)*cos(b)*tan(b))/(cos(a)*cos(b))
/ I*b -I*b\ / I*(-a - b) I*(a + b)\
I*\- e + e / I*b*\- e + e /
------------------ - --------------------------------
I*b -I*b / I*a -I*a\ / I*b -I*b\
e + e |e e | |e e |
2*|---- + -----|*|---- + -----|
\ 2 2 / \ 2 2 /
$$- \frac{i b \left(- e^{i \left(- a - b\right)} + e^{i \left(a + b\right)}\right)}{2 \left(\frac{e^{i a}}{2} + \frac{e^{- i a}}{2}\right) \left(\frac{e^{i b}}{2} + \frac{e^{- i b}}{2}\right)} + \frac{i \left(- e^{i b} + e^{- i b}\right)}{e^{i b} + e^{- i b}}$$
i*(-exp(i*b) + exp(-i*b))/(exp(i*b) + exp(-i*b)) - i*b*(-exp(i*(-a - b)) + exp(i*(a + b)))/(2*(exp(i*a)/2 + exp(-i*a)/2)*(exp(i*b)/2 + exp(-i*b)/2))
b*sin(a + b) + cos(a)*cos(b)*tan(b)
-----------------------------------
cos(a)*cos(b)
$$\frac{b \sin{\left(a + b \right)} + \cos{\left(a \right)} \cos{\left(b \right)} \tan{\left(b \right)}}{\cos{\left(a \right)} \cos{\left(b \right)}}$$
(b*sin(a + b) + cos(a)*cos(b)*tan(b))/(cos(a)*cos(b))
Abrimos la expresión
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b*sin(a) b*sin(b)
-------- + -------- + tan(b)
cos(a) cos(b)
$$\frac{b \sin{\left(a \right)}}{\cos{\left(a \right)}} + \frac{b \sin{\left(b \right)}}{\cos{\left(b \right)}} + \tan{\left(b \right)}$$
b*sin(a)/cos(a) + b*sin(b)/cos(b) + tan(b)