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Arisa [49]
3 years ago
11

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

Mathematics
1 answer:
padilas [110]3 years ago
4 0

we are given

(x,y)=(5,-12)

so, x=5 and y=-12

now, we can find r

r=\sqrt{x^2+y^2}

r=\sqrt{5^2+(-12)^2}

r=13

now, we can find cos

cos(\theta)=\frac{x}{r}

so, we get

cos(\theta)=\frac{5}{13}...........Answer

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