Sine Double Angle Identity
Calculate the sine of twice a given angle using double angle identity formula. Enter the α value and get the sine double angle function value easily.
Sine Double Angle Identity Calculator
Sine Double Angle Identity Formula :
sin (2α)
= 2 × sin (α) × cos (α)
Double angle identity calculators can be used where trigonometric expressions are need to be simplified. Also, double angle identity formulas and respective calculators are provided for cosine and tangent trig functions.