The solution to the equation sin (1/5 cos –1 x) = 1 is

Maths Inverse Trigonometric Functions Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

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Text Solution

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The correct answer is:

Let cos –1 x = α As 0 ≤ cos –1 x ≤ π

so 0 ≤ 5 α ≤ π ⇒ 0 ≤ α ≤

For this α , sin α can not be equal to 1.

So no solution.

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