# Math Calculator & Tools

## Trigonometric Half Angle Identity Solver

**Trig Identity Solver**

Half angle trigonometry identity calculator is an online tool for computations related to half angle identities. Half angle identities are generated from double angle trigonometric identities which are very useful while integrating functions involving higher powers of sine and cosine. Trigonometric formulas are usually very difficult to remember and nowadays trigonometry has become a major part of higher secondary mathematics. Understanding trigonometric identities are always helpful in analyzing a real system in higher end. So Use this online trigonometric calculator for solving your complex mathematical problem related to half angle identities in terms of sine, cosine and tan. Just enter the value of the angle and solve your complex mathematical problem at instant.

### Trig Half Angle Identity Solver

Formula involved in calculating half angle is

sin( θ / 2 ) = √ 1 - cosθ / 2

sin( θ / 2 ) = √ 1 + cosθ / 2

tan( θ / 2 ) = 1 - cosθ / sinθ

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