Inverse Trigonometric Functions Practice Questions 2025: Get here the FREE PDF download for the CBSE Class 12 Maths Competency-Based Questions of Chapter 2 for the 2025 board exams.

How to Use Trig Functions in Excel. ... Use a mathematical reference to look up the formula for the secant function, which is the inverse of the cosine of an angle (see link in Resources).

1. Relations and Functions Types of relations: reflexive, symmetric, transitive and equivalence relations. One to one and onto functions. 2. Inverse Trigonometric Functions Definition, range ...

First we have proportional parts of all numbers up to 100; then on one page three-place logarithms of numbers and of the six trigonometric functions, natural and logarithmic.