Marykoss Marykoss

12-12-2016
Mathematics

contestada

for angle theta with the point (15, -8) on its terminating side, what is the value of cosine?

A) -8/18
B) 15/17
C) -8
D) 15

Respuesta :

Peytiii2829 Peytiii2829

12-12-2016

x^2 + y^2 = r^2
15^2 + (-8)^2 = [sqrt(17)]^2
r= 17

cos(theta) = x/r = 15/17
Letter B

Answer Link

georgejungle5759 georgejungle5759

23-05-2019

Answer:

The answer is B.15/17

Answer Link

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