# NCERT Class 12-Mathematics: Chapter –2 Inverse Trigonometric Function Part 11

Get top class preparation for NSO-Level-2 Class-8 right from your home: fully solved questions with step-by-step explanation- practice your way to success.

## Long Answer (L.A.)

**Question 12:**

Prove that

**Answer:**

**Question 13:**

Find the simplified form of

**Answer:**

Given that:

**Question 14:**

Prove that

**Answer:**

LHS