Question

For an angle _ with the point (5, _12) on its terminating side, what is the value of cosine?

5

_12

5 over 13

negative 12 over 13

Answer 1

5/13

Explanation:

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Answer 2

cos θ = adj/hyp = 5/sqrt(5^2 + (-12)^2) = 5/sqrt(25 + 144) = 5/sqrt(169) = 5/13