show that(ltcote ) C1-Coso) (Itcoso) – InterviewSolution

InterviewSolution

1.	show that(ltcote ) C1-Coso) (Itcoso)
Answer» (1+ cotx^2)( 1- cosx)( 1+ cosx) = ( cosecx^2)(1- cosx^2) = ( cosecx^2)( sinx^2)= ( sinx^2)( sinx^2)= sinx^4

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