# Trigonometric Identities Calculator To Find Sum Of Sine Angles

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Use this online trigonometric identities calculator to find the sum of sine angles. Use this fundamental sine addition formula of trigonometry to solve various problems by rewriting expressions in another equivalent form. Enter the known sine angles in the input field of the calculator and click calculate to find sin(a)+sin(b) using sine addition formula.

## Calculate Sin(a)+Sin(b) Using Sine Addition Formula

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Use this online trigonometric identities calculator to find the sum of sine angles. Use this fundamental sine addition formula of trigonometry to solve various problems by rewriting expressions in another equivalent form. Enter the known sine angles in the input field of the calculator and click calculate to find sin(a)+sin(b) using sine addition formula.

Code to add this calci to your website

#### Sum of Sine Angles Formula:

Sin(a) + Sin(b) = 2 ( sin (a + b) / 2 ) ( cos (a - b) / 2)
**Where,**
a = Angle 1
b = Angle 2