e -sins ye In dose at2. – InterviewSolution

1.	e -sins ye In dose at2.
Answer» dx/dtheta=1-costhetaand dy/dtheta=sintheta(differentiating the expression with respect to theta)hence dy/dx=sintheta/1-costhetady/dx at π/2put theta=π/2hence dy/dx=sinπ/2/1-cosπ/2dy/dx=1/1-0=1

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