There exists a positive real number x satisfying cos (tan –…

Maths Inverse Trigonometric Functions Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

There exists a positive real number x satisfying cos (tan –1 x) = x, the value of cos –1 is-

Text Solution

Verified by Experts

The correct answer is:

cos –1 x = tan –1 x = cos –1

⇒ x = ⇒ x 2 =

⇒ = cos –1 =

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