"If `sin^(-1)x+cot^(-1)(1/2)=pi/2,\\ t h e n\\ x`isa. `0`b. `1/(sqrt(5))`c. `2/(sqrt(5))`d. `(sqrt(3
Channel: Doubtnut
Date: 2020-01-28

"If `sin^(-1)x+cot^(-1)(1/2)=pi/2,\\ t h e n\\ x`
is
a. `0`
b. `1/(sqrt(5))`
c. `2/(sqrt(5))`
d. `(sqrt(3))/2`"