Asked by jason
if the terminal ray of an angle 0 in standard position passes through the point (-1,3),then cos0=
Answers
Answered by
Steve
the hypotenuse is sqrt(10)
cosx = -1/sqrt(10) = -.316
x = 108.43 degrees
cosx = -1/sqrt(10) = -.316
x = 108.43 degrees
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