721. If7. If cot θ, evaluate(1 + sin θ)(1-sin θ)(1 + cos θ)(1-cos – InterviewSolution

1.	721. If7. If cot θ, evaluate(1 + sin θ)(1-sin θ)(1 + cos θ)(1-cos θ)22. Ifii) cot2θ22 8
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