Question

If x sin3|+ y cos3|=sin|cos| and xsin|=ycos|, prove x2+y2=1.


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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

If x sin3 θ + y cos3 θ = sin θ cos θ and x sin θ = y cos θ, prove that x2 + y2 = 1Read more on Sarthaks.com - https://www.sarthaks.com/177264/if-x-sin-3-y-cos-3-sin-cos-and-x-sin-y-cos-prove-that-x-2-y-2-1