Subscribe to our Youtube Channel - httpsyoutubeteachoo. How to understand formulas and learn them all very very easil. S i n 1 x s i n 1 xsin -1 -x -sin -1x sin1x sin1x c o s 1 x p c o s 1 xcos -1 -x pi cos -1x cos1x pcos1x s i n 1 x c o s 1 x p 2sin -1 x cos -1 x frac pi 2 sin1x.
Product to Sum Formulas.
Subscribe to our Youtube Channel - httpsyoutubeteachoo. Cotth cot th. Trigonometry Formulas From Class 10 to Class 12. The following inverse trigonometric identities give an angle in different ratios.