Trigonometry is a branch of mathematics that deal with angles, lengths and heights of triangles and relations between different parts of circles and other geometrical figures. Maths Formulas - Trigonometric Ratios and identities are very useful and learning the below formulae help in solving the problems better. Trigonometry formulas are essential for solving questions in … [Read more...]
NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12
Inverse Trigonometric Functions
by phani

Inverse Trigonometric Functions (Inverse Trig Functions) Inverse trig functions: sin-1x , cos-1x , tan-1x etc. denote angles or real numbers whose sine is x , whose cosine is x and whose tangent is x, provided that the answers given are numerically smallest available. These are also written as arc sinx , arc cosx etc . If there are two angles one positive & the other … [Read more...]