Question

can i get the answer of this one with steps

Answer 1

1 wala correct hai bhai

Answer 2

Cos x= sin $\sqrt{1- x^{2}$
And we know Sin$-  1$ (sin x)=x
so,
It Y = $sqrt$1- x^{2} \
NOW ITS EASIER TO DIFF.
dy/dx =1/2 (1-$x^{2}$)$^ -3/2$ * (-2x)
The above process is by applying chain rule..
Hope you understood