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Prove that 4sinA.cosA.cos2A=sin4A...

Prove that `4sinA.cosA.cos2A=sin4A`

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To prove that \( 4 \sin A \cos A \cos 2A = \sin 4A \), we will start with the left-hand side and manipulate it step by step. ### Step 1: Start with the left-hand side We begin with the expression: \[ 4 \sin A \cos A \cos 2A \] ...
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AAKASH INSTITUTE ENGLISH-TRIGNOMETRIC FUNCTIONS -Section - J (Akash Challengers Question)
  1. Prove that 4sinA.cosA.cos2A=sin4A

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