Question

sin^–1 x/5 + cosec^–1 5/4 = p/2 then x =

• A. 4
• B. 5
• C. 1
• D. 3

Answer 1

Answer: (D)

3

Answer 2

sin^–1 x/5 + cos^–1 3/5 = p/2 Ž $\frac { x } { 5 }$ = $\frac { 3 } { 5 }$ \ x = 3