Question 842091
Find the exact value and show the related quadrants of :
a. sin(5π/3)
Reference angle of &#960;/3 in quadrant IV in which sin<0, cos>0.
sin(5&#960;/3)=-sin(&#960;/3)=-&#8730;3/2
..
b. tan(5&#960;/3)
same reference angle of &#960;/3 in quadrant IV in which tan<0 
tan(5&#960;/3)=-tan(&#960;/3)=-&#8730;3