### Possible Answer

What does csc 0, sec 0, tan 0 equal? what about for pi/2 and 2 pi? ... 2pi = 360 degrees sin 360 = 0, cos 360 = 1, tan 360 = 0 So csc 360 = undefined, ... - read more

"undefined" usually crops when you try to divide by zero. You might try CSC 270 to see if you get the right answer. Your unit circle method is correct. - read more

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