cosA1 - sin A 1-coS Asin A cos A(1-sinA) (1-cos A)sin A27. Prove that – InterviewSolution

1.	cosA1 - sin A 1-coS Asin A cos A(1-sinA) (1-cos A)sin A27. Prove that 1-sinA1-cosA28. Ifx-rsin A cos C. vrsinA sin and7-rcOsA nrovo the
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