Sin(A±B) Formulae

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Standard Formula sin(A+B) || sin(A–B) || cos(A+B) || cos(A–B)

Standard Formula sin(A+B) || sin(A–B) || cos(A+B) || cos(A–B)

Standard Formula sin(A+B) || sin(A–B) || cos(A+B) || cos(A–B)

Standard Formula sin(A+B) || sin(A–B) || cos(A+B) || cos(A–B)

Illustration Based on Basic Trigonometric Equation and Formula OF sin(A+B)

(a+b)^(2) formula

Using the formula of sin(A-B)=sin A cos B-cos A sin B find the value of sin15^(@)