Double Angle Identities Calculator

Posted by Dinesh on

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

Double Angle Identities - Trigonometry Calculation

Formula:

Double Angle Identities Equations:
(i). sin(2?) = 2 sin(?) × cos(?)
(ii). cos(2?) = 1 - 2 sin2(?)
(iii). tan(2?) = [2 tan(?)]/[1-tan2(?)]