How would you find the exact value of the six trigonometric function of -270?
1 Answer
Jan 23, 2017
On the trig unit circle, the arc (-270) is co-terminal to the arc
Trig table gives:
sin 90 = 1
cos 90 = 0
tan 90 = sin/(cos) = infinity
cot 90 = cos/(sin) = 0
sec 90 = 1/(cos) = Inf.
csc 90 = 1/(sin) = 1
