SOLUTION: Can you please help me! If the point (-5,-2)is on the terminal arm of N, an angle in standard position, what is the value of cos N?

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Question 865288: Can you please help me!
If the point (-5,-2)is on the terminal arm of N, an angle in standard position, what is the value of cos N?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If the point (-5,-2)is on the terminal arm of N, an angle in standard position, what is the value of cos N?
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r+=+sqrt%28x%5E2+%2B+y%5E2%29+=+sqrt%2825+%2B+4%29
r+=+sqrt%2829%29
cos = x/r
cos = -5/sqrt(29)
= -5sqrt%2829%29%2F29