Maths Inverse Trigonometric Functions All Topic Question for Revision Test Single Correct MCQ
Published on: August 13, 2026

The number of real solutions of and is/are

A
0
B
1
C
3
D
Infinite

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Text Solution

Verified by Experts
The correct answer is:
D

Analyze the first equation: .

Since the range of is , we have .

The minimum value of is (at ).

To satisfy must be in the interval

Analyze the second equation: .

Since the range of is , we have .

Combining with the first condition, must be in .

Check for :

If , then and .

Thus, (where ) are solutions.

Since provides a valid for every integer , there are infinitely many solutions.

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