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sin(x/4)*ctg(x)-sin(x/9)=0 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   /x\             /x\    
sin|-|*cot(x) - sin|-| = 0
   \4/             \9/    
$$\sin{\left(\frac{x}{4} \right)} \cot{\left(x \right)} - \sin{\left(\frac{x}{9} \right)} = 0$$
Gráfica
Respuesta numérica [src]
x1 = 5885.29431758689
x2 = -8.63087819749934
x3 = -46.3841926962318
x4 = -66.7131428330008
x5 = -90.335191719052
x6 = -93.371664086583
x7 = 41.5284881030556
x8 = -80.554427739119
x9 = 79.5382401410569
x10 = 55.1421638130873
x11 = 71.5688474261769
x12 = -5.22933059760446
x13 = -111.095615789678
x14 = -32.5429077901136
x15 = -96.686825693039
x16 = 47.741930369205
x17 = 7.21769051348856
x18 = 167.860021145062
x19 = 52.5178416416038
x20 = 44.7752521404245
x21 = -83.4215813706355
x22 = 21.122920429237
x23 = 4.23287006680137
x24 = 68.3220833888081
x25 = -35.2460366344232
x26 = 57.9551717161453
x27 = 1.14845146506565
x28 = 105.879645015744
x29 = 97.9357732724649
x30 = -27.0054250074828
x31 = -16.4105098361935
x32 = -40.2858852180338
x33 = 10.0114900376233
x34 = 91.9744150999955
x35 = 95.0707068064932
x36 = -2.00171973955448
x37 = 60.5794938876288
x38 = -69.8928665141576
x39 = -77.8512988948093
x40 = -29.6757541585971
x41 = -86.0919105217498
x42 = 83.047075999432
x43 = -54.762685615829
x44 = 18.0266287227393
x45 = -43.204469015075
x46 = -58.3346499134035
x47 = -19.7256714426495
x48 = 33.5590953881757
x49 = 30.0502595298005
x49 = 30.0502595298005