SOLUTION: Hi if theta is in the second quadrant, state whether the following the following is positive or negative. Cos(180 degrees - theta) Thanks

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Question 1119927: Hi
if theta is in the second quadrant, state whether the following the following is positive or negative.
Cos(180 degrees - theta)
Thanks

Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
For theta in Q2: +90%5Eo+%3C+theta+%3C+180%5Eo+
and +180%5Eo+-+theta+ is therefore in Q1 —> +highlight%28matrix%281%2C3%2C+%22cosine+%22%2C+%22+is+%22%2C+%22+positive%22+%29%29+