How do I evaluate the trigonometric functions of the quadratic angle? Thanks in advance
1) sec π
2) tan π
3) cos π For this problem, I don't understand why it's -1
4) csc π
5) sec 3π/2
1) sec π
2) tan π
3) cos π For this problem, I don't understand why it's -1
4) csc π
5) sec 3π/2