Raymond B. answered 05/12/21
Tutor
5
(2)
Math, microeconomics or criminal justice
-11pi/6 has the same reference angle of 30 degrees
cos30 = (1/2)sqr3
sec30 = 2/sqr3
sin30= 1/2
csc30 = 2
tan30 = 1/sqr3
cot30 = sqr3