Math, asked by Smruthprabhu, 7 months ago

Prove that sin2 θ+cos4 θ=cos2 θ+sin4 θ

Answers

Answered by pratikshapawar
2

Answer:

LHS = sin? 0 + cos* 0 =

=sin? 0 + (cos? 0) =sin 0 +1 – 2 sin? 0 + sin 0

=sin” 0 + (1 – sin? 0)²

= 1 sin? 0 + sin 0

=cos? 0 + sin 0

= RHS

Hence, LHS = RHS

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