Trigonometric Identities are valuable whenever trig functions are included in an expression or a comparison. Trig identity changes are accurate for each value happening on both sides of an equation. The Trig identities hold correct only for the right-angle triangle.
The 6 basic trigonometric degrees are sine, cosine, tangent, cosecant, secant, and cotangent. All these types of trigonometric proportions are defined using the sides of the right triangle, such as the opposite side, an adjacent side, and the hypotenuse side.
Trigonometric Identities / Trig identities
Given below the list of trigonometric identities :