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

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**Question 2**:

Evaluate .

**Answer**:

**Question 3**:

Find the value of .

**Answer**:

**Question 4**:

Find the value of

**Answer**:

**Question 5**:

Evaluate .

**Answer**:

Since , .

**Question 6**:

Evaluate: .

**Answer**:

.

**Question 7**:

Evaluate:

**Answer**:

**Question 8**:

Prove that tate with reason whether the equality is valid for all values of .

**Answer**:

Let Then

Or,

So

The equality is valid for all values of since and are true for .

**Question 9**:

Find the value of

**Answer**:

Let where . So,

Which gives

Therefore,

**Question 10**:

Find value of and hence evaluate

**Answer**:

Let , then , where

Therefore,

**Question 11**:

Find the value of

**Answer**:

Let . Then

Now

**Question 12**:

Evaluate

**Answer**: