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2 votes
For an angle theta with the point (-5, -12) on its terminating side, what is the value of cosine?

A. -5
B. -12
C. -5/13
D. -12/13

1 Answer

5 votes
-5 is the adjacent side, -12 is the opposite side, the hypotenuse is 13
Cos = adjacent/hypotenuse
Cos = -5/13
The answer is C.
User VaibsVB
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