Please differentiate x=CosSquare(2x)

Asked by Tushar Bhatia | 23rd Nov, 2015, 09:09: AM

Expert Answer:

A p p l y i n g space c h a i n space r u l e comma space fraction numerator d over denominator d x end fraction open parentheses cos squared 2 x close parentheses equals 2 cos 2 x cross times space open parentheses negative sin 2 x close parentheses space cross times space open parentheses 2 close parentheses equals negative 2 open parentheses 2 sin 2 x cos 2 x close parentheses equals negative 2 sin 4 x

Answered by satyajit samal | 23rd Nov, 2015, 11:50: AM