Posted by **3nd3r** on Wednesday, June 29, 2011 at 3:32pm.

The question was:

"Given that sin theta is -1/2 and theta is in quadrant IV, find the cos and tan of theta."

I found 1/2 for cosine and -1 for theta, but the answer sheet said I was incorrect. I am almost positive I did this correctly... can someone double check for me?

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