![](https://knowledgewala.com/wp-content/uploads/2016/07/display-illustration.mpl_-e1468882640873.jpg)
Introduction This post contains important formulas related Trigonometric Identities. These formulas will help to solve many trigonometric problems. Right triangle definition For this definition we assume that 0 < θ < Π/2 OR 0′ < θ < 90′ θ Read More …