Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If tan(cos –1 x) = sin 
, then x =
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
tan (cos –1 x) = sin (cot –1 
)
let cos –1 x = α and cos –1 
= β
cos a = x ⇒ cot β = 
⇒ tan α = sin β ⇒ 
= 
⇒ 5 – 5x 2 = 4x 2 ⇒ x = ± 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems