Math, asked by aditikar11, 1 month ago

From the formula sin (A+B) = sin A. cosB. cosA+sin B, deduce that sin 2A=2 sin A. cosA

Answers

Answered by Anonymous

4

Answer:

sin(A+B) =sinA.cosB+cosA.sinB

derivation:

sin(A+A) =sinA.cosA+cosA.sinA

sin2A=2sinA.cosA

hope you under stand

mark as brainlest answer

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