The value of `sin^2 12^0+sin^2 21^0+sin^2 39^0+sin^2 48^0-sin^2 9^0-sin^2 18^0` is _______

The value of the expression (tan^2 20^0-sin^2 20^0)/(tan^2 20^0+sin^2 20^0) is__________

The value of sin^(-1)(1)+sin^(-1)(0) is …………..

The value of expression (2sin^2 91^0-1)(2sin^2 92^0-1)(2sin^2 180^0-1) is equal to 0 (b) 1 (c) 2^(90) (d) 2^(90)-90

The value of sin^(-1)(1)+sin^(-1)(0) is ……………… .

The value of sin(2(tan^(-1)0.75) is ………..

Solve sin^2 2x - 2cos^2 x =0

The value of expression (2(sin1^0+sin2^0+sin3^0+...+sin89^0))/(2(cos1^0+cos2^0++cos44^0)+1) (a) sqrt(2) (b) 1/(sqrt(2)) (c) 1/2 (d) 0

Solve: sin2x +sin6x -sin4x=0 .

Solve sin 2x - sin 4x + sin 6x =0.

Evaluate int_(0)^(2pi)x^2 sin 2xdx .