SOLUTION: Give a point(5,-5) on the terminal side of angle 0, find the value of sec. I don't know were to start.. Thank you

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Question 207942: Give a point(5,-5) on the terminal side of angle 0, find the value of sec. I don't know were to start.. Thank you
Answer by scott8148(5891) About Me  (Show Source):
You can put this solution on YOUR website!
x = 5

y = -5

by Pythagoras, r = sqrt(50) or 5 sqrt(2)

sec = r / x ___ or sqrt(2)