Math, asked by manishjaat2019, 1 month ago

MPLE 17.
Cos 4x + cos 3x + COS 2x
is equal to
sin 4x + sin 3x + sin 2x

Answers

Answered by py5024131

2

Answer:

L.H.S. = R.H.S.Read more on Sarthaks.com - https://www.sarthaks.com/171363/prove-that-cos-4x-cos-3x-cos-2x-sin-4x-sin-3x-sin-2x-cot-3x

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