Question

please solve with solution​

Answer 1

Step-by-step explanation:

The solution of question is in the attachment.

Answer 2

Answer:

put x=sin@

√1-x^2=cos@ -(sin^2@+cos^2@=1)

cos^-1*cos@=@

cos^-1*x=cos^-1*sin@

=cos^-1*cos(π/2-@)

=π/2-@

so overall become d/dx(π/2)

=0