# NCERT Class 12-Mathematics: Chapter – 2 Inverse Trigonometric Function Part 7 (For CBSE, ICSE, IAS, NET, NRA 2022)

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**Question 35**:

The value of is

(A)

(B)

(C)

(D)

**Answer**:

(B) Is the correct answer.

Let .

Now **tion 36**:

If then value of is

(A)

(B)

(C)

(D)

**Answer**:

(A) Is the correct answer. Given that

Therefore,

**Question 37**:

The value of is

(A)

(B)

(C)

(D)

**Answer**:

(A) Is the correct answer.

**Question 38**:

The value of the expression is

(A)

(B)

(C)

(D)

**Answer**:

(D) Is the correct answer.

**Question 39**:

The equation has

(A) No solution

(B) Unique solution

(C) Infinite number of solutions

(D) Two solutions

**Answer**:

(B) Is the correct answer.

We have

Adding them, we get

**Question 40**:

If then

(A)

(B)

(C)

(D)

**Answer**:

(B) Is the correct answer. We have