Extra Math functions (Func) Since the Math class does not include the inverse of sin, cos, and tan that return side lengths, I have provided those for accessibility.

NCERT Solutions for CBSE class 11 Mathematics; get detailed and accurate answers to all questions of chapter 3, Trigonometric Functions.

Do you face difficulty memorising trigonometric formulas and table? Here are some quick and easy tips and tricks to learn these formulas and ratios of the trigonometry table.