Math, asked by ruhanrock7, 3 months ago

sin 4theta=1,theta=?

Answers

Answered by riddhima7274

3

Answer:i do not understand your que sorry

Step-by-step explanation:

Answered by Anonymous

6

Answer:

cosθ−sin4θ+1

⇒(cos2θ−sin2θ)(cos2θ+sin2θ)+1

⇒cos2θ−sin2θ+1

⇒cos2θ+cos2θ

⇒2cos2θ=sin2θ2cos2θ×sin2θ=csc2θ2cot2θ

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