2sin^(-1)((1)/(8))=

int(dx)/(sqrt(9x-4x^2)) equals (A) 1/9sin^(-1)((9x-8)/8)+C (B) 1/2sin^(-1)((8x-9)/9)+C (C) 1/3sin^(-1)((9x-8)/8)+C (D) 1/2sin^(-1)((9x-8)/9)+C

int(dx)/(sqrt(9x-4x^2)) equals(A) 1/9sin^(-1)((9x-8)/8)+C (B) 1/2sin^(-1)((8x-9)/9)+C (C) 1/3sin^(-1)((9x-8)/8)+C (D) 1/2sin^(-1)((9x-8)/9)+C

State with arguments , in which of the following cases the inverse circular functions are undefined : "cosec"^(-1) ((1)/(2)) , cos ^(-1) (-(3)/(2) ), sin ^(-1)((1.7)/(1.8)) , cot ^(-1) (7) , sec ^(-1) ((4)/(5))

4.Prove that sin^(2)((pi)/(8))+sin^(2)((3 pi)/(8))=1

sin(2sin^(-1) 0.8)=

sin(2sin^(-1) 0.8)=

sin(2sin^(-1) 0.8)=

sin(2sin^(-1) 0.8)=

Which of the following is/are a rational number? sin(tan^(-1)3+tan^(-1)(2/3)) cos(pi/2-sin^(-1)(3/4)) (log)_2("sin"(1/4)sin^(-1)(63/8)] tan(1/2cos^(-1)(sqrt(5)/3))