SOLUTION: For the angle theta=225 degrees moving counter clockwise in standard position, determine which primary trigonometric ratio is positive. a)sine b)cosine c)tangent d)none are pos

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Question 1091234: For the angle theta=225 degrees moving counter clockwise in standard position, determine which primary trigonometric ratio is positive.
a)sine
b)cosine
c)tangent
d)none are positive
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
225 degrees is in the 3rd quadrant where
sine and cosine are both negative. The
tan function is (-)/(-) = (+) .
The answer is (c)