Question

value of cos^-1(-1/2)-2 sin^-1(1/2)+3cos^-1(-1/2)-4 tan^-1(-1) =​

Answer 1

Answer:

cos-1 ((-1/2))-2 sin-1( (1/2))+3 cos-1((-1/√2))-4 tan-1 (-1) equals (A) ( 19π/12) (B) (35π/12) (C) (47π/12) (D) ...