# Double Angle Identity Solver, Formula - Trig Calculator

Trigonometry is used as a solution to triangles, it deals with the ratio of right triangle and its angle. Calculating the trigonometry function sine A, cosine A and tangent A is one of the difficult task in maths. The Double Angle Trig Identity Solver focus on double angle trigonometry function such as Sin 2A, Cos 2A, Tan 2A. The Double Angle Identity Solver, Formula - Trig Calculator makes it easy to calculate all three angles in the same calculator.

## Double Angle Trig Identity Solver

Trigonometry is used as a solution to triangles, it deals with the ratio of right triangle and its angle. Calculating the trigonometry function sine A, cosine A and tangent A is one of the difficult task in maths. The Double Angle Trig Identity Solver focus on double angle trigonometry function such as Sin 2A, Cos 2A, Tan 2A. The Double Angle Identity Solver, Formula - Trig Calculator makes it easy to calculate all three angles in the same calculator.

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#### Formula Used:

sin(2θ) = 2 x sinθ x cosθ
cos(2θ) = 1 - 2sin^{2}θ
tan(2θ) = 2 x tanθ / 1 - tan^{2}θ
*Double Angle Trig Identity solver* are especially useful in finding the values of unknown trigonometric functions from the derived formulas. The Double Angle Identity Solver, Formula - Trig Calculator is an effective tool in finding the angle identity.