Math, asked by adikarve007, 4 months ago

If sin2 θ - cos2 θ= 1/2 then find the value of sin4 θ - cos4 θ

Answers

Answered by Anonymous

2

Answer:

∵sinθ+sin2θ=1

⇒sinθ=1−sin2θ=cos2θ

Squaring both sides

sin2θ=cos4θ

cos2θ=cos4θ

cos2θ+cos4θ=cos2θ+sin2θ=1

Step-by-step explanation:

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