Q. The number of triplets $(x,\ y,\ \mathcal{z)}$satisfying $\sin^{- 1}{x + \cos^{- 1}{y + \sin^{- 1}{\mathcal{z} = 2\pi,}}}\$is
A) 0
B) 2
C) 1
D) Infinite
Explanation
(c)
The given equation is satisfied only when $x = 1$,
$y = - 1,\ \mathcal{z} = 1$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.