Question

(1+ sinº)? + (1 - sin 0)2 1+ sin’e
2 cose
1-sin?​

Answer 1

Step-by-step explanation:

The prupose of this page is to prove the following formula: \sin 3x =4\sin x\sin(60^{\circ}-x)\sin(60^{\circ}+x). The easiest way to do that is to recourse to complex numbers and Euler's formula e^{i\theta}=\cos\theta +\sin\theta

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