Double Angle Identity Solver, Formula - Trig Calculator
English

Double Angle Trig Identity solver is used to solve the expression of trigonometric functions of angles equal to 2θ in terms of θ based on the trig identity formula.

Double Angle Trig Identity Solver

Enter θ angle in degree
 
Result
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Formula Used:

sin(2θ) = 2 x sinθ x cosθ cos(2θ) = 1 - 2sin2θ tan(2θ) = 2 x tanθ / 1 - tan2θ

Double Angle Trig Identities are especially useful in finding the values of unknown trigonometric functions from the derived formulas

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