How do you express sin(pi/ 6 ) * cos( ( 5 pi) / 12 ) sin(π6)⋅cos(5π12) without using products of trigonometric functions?
1 Answer
Jan 25, 2016
Explanation:
a. Find sin (pi/6).
Trig Table of special arcs -->
b. Find cos (5pi)/2
Use trig identity:
Finally,