Home Maths Inverse Trigonometric Functions General Consider the equation , then :
Maths Inverse Trigonometric Functions General More Than One Correct MCQ
Published on: August 12, 2026

Consider the equation , then :

A
the largest value of for which equation has 2 distinct solution is 1
B
the equation must have real root if
C
the equation must have real root if
D
the equation has unique solution if

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Text Solution

Verified by Experts
The correct answer is:
CHECK THE SOLUTION.

(a, b, d)

Simplify the Equation:

Using , the equation becomes:

Complete the Square:

Since , the minimum value of is .

Check Domain Constraints:

The argument of must be in :

Combining with , the valid range for is .

Evaluate Options:

. This is a unique solution. (Matches )

: There are 2 distinct solutions . (Matches a and b)

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