Question

If sin3 θ =cos(θ-6), find the Value of θ

Answer 1

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Answer 2

We have,

sin3 θ =cos(θ-6)
cos(90-3θ)=cos(θ-6)
90-3θ=θ-6
90+6=θ+3θ
96=4θ
θ=96/4
θ=24