# NCERT Class 12-Mathematics: Chapter –2 Inverse Trigonometric Function Part 6

Get top class preparation for NSTSE Class-2 right from your home: fully solved questions with step-by-step explanation- practice your way to success.

**Question 30:**

The greatest and least values of are respectively

(A)

(B)

(C)

(D)

**Answer:**

(A) Is the correct answer. We have

Thus, the least value is and the Greatest value is

**Question 31:**

Let , then value of is

(A)

(B)

(C)

(D)

**Answer:**

(A) Is the correct answer.

**Question 32:**

The domain of the function is

(A)

(B)

(C)

(D)

**Answer:**

(C) Is the correct answer.

i.e.

**Question 33:**

The domain of is

(A)

(B)

(C)

(D)

**Answer:**

(D) Is the correct answer.

**Question 34:**

The domain of the function defined by is

(A)

(B)

(C)

(D)

**Answer:**

(A) Is the correct answer.

The domain of is **R** and the domain of is . Therefore, the domain of is , i.e., .