SOLUTION: Determine the value of y for the following equation: y =sec (pi)

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Question 391220: Determine the value of y for the following equation:
y =sec (pi)
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
sec%28pi%29+=+1%2Fcos%28pi%29

Since cos%28pi%29+=+-1, sec%28pi%29+=+1%2F%28-1%29+=+-1 --> y = -1