yusufalisaeed yusufalisaeed
  • 27-01-2021
  • Mathematics
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How to simplify sin(4x) in terms of sin(x) and cos(x) ?

Respuesta :

sakinahammad110
sakinahammad110 sakinahammad110
  • 27-01-2021

Answer:

sin 4 x = 4 ( sin x − 2 sin 3 x ) √ 1 − sin 2 x

explanation: sin 4 x = 2 sin 2 x cos 2 x = 2 × 2 sin x cos x × ( 1 − 2 sin 2

= 4 sin x cos x − 8 sin 3 x cos x

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