" 5."quad " (i) "cos^(-1)x

Find the second derivative of : (i) x^(11)" "(ii)5^(x)" "(iii)tanx" "(iv)cos^(-1)x

Evaluate (i) sin (cos^(-1) (3/5))

sum_(i=1)^(2n) sin^(-1)(x_i)=npi then the value of sum_(i=1)^n cos^(-1)x_i+sum_(i=1)^n tan^(-1)x_i= (A) (npi)/4 (B) (2/3)npi (C) (5/4)npi (D) 2npi

Evaluate: cos (2 cos ^(-1) x +sin ^(-1) x ) at x = (1)/(5).

Evaluate: cos (2 cos ^(-1) x +sin ^(-1) x ) at x = (1)/(5).

" (i) "int sin x cos^(5)xdx

Integrate the following with respect to x. (i) cos 5x sin 3x " " (ii) cos^3 x .