SOLUTION: Find cos θ if sin θ = 1/2 and θ terminates in QII.

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Question 1163966: Find cos θ if sin θ = 1/2 and θ terminates in QII.
Answer by ikleyn(52921) About Me  (Show Source):
You can put this solution on YOUR website!
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Then  cos%28theta%29 = - sqrt%281-sin%5E2%28theta%29%29 = - sqrt%281+-+%281%2F2%29%5E2%29 = - sqrt%283%29%2F2.     ANSWER