Q44 of 116 Page 892

, show that


y =


u =1-sin x, v = 1 + sin x , z=


Formula :


According to quotient rule of differentiation


If z =






According to the chain rule of differentiation



=


=


=


( Multiplying and dividing by )


=


=


=


=


=


=


=


=


=


=


HENCE PROVED


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