Question

Write the expression as the sine or cosine of an angle. sin pi/3 cos pi/6 - sin pi/7 cos pi/3

Answer 1

+act of kindness and its We are given with the expression sin 52° cos 13° - cos 52° sin 13° The expression can be patterned from the trigonometric identity sin (a - b) = sin a cos B - cos A sin B. In this case, the expression is equal to sin (52-13) or equal to a simplified term sin 39

Explanation: