English, asked by deekshajha2374, 9 months ago

Sin^4theta +2 sin^4theta ×cos^4theta= 1-cos^4theta

Answers

Answered by vijaydk24

1

see below. Explanation: cos 4θ−sin4θ=1−2sin2θ. Left Side : =cos4θ−sin4θ . =(cos2θ−sin2θ)(cos2θ+sin2θ).

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