SOLUTION: Use the even-odd properties to find the exact value of the expression. sec(-60°)

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Question 169156: Use the even-odd properties to find the exact value of the expression. sec(-60°)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Note: cos%28-x%29=cos%28x%29, sec%28x%29=1%2Fcos%28x%29, and cos%2860%29=1%2F2


sec%28-60%29=1%2Fcos%28-60%29=1%2Fcos%2860%29=1%2F%281%2F2%29=%281%29%2A%282%2F1%29=2


So sec%28-60%29=2