Half Angle Identities Calculator

Posted by Dinesh on

Use the simple trigonometry calculator to calculate half angle identities of trigonometric identities online.

Half Angle Identities - Trigonometry Calculation

Formula:

Half angle equations:
sin(θ / 2) = ± √[1 - cosθ] / 2
cos(θ / 2) = ± √[1 + cosθ] / 2
tan(θ / 2) = ± √[1 - cosθ] / [1 + cosθ]