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