SOLUTION: Determine the function that satisfies the following conditions. Find sin(theta) when cos(theta)=0.271 and tan(theta)<0 How do I do this?

Algebra ->  Trigonometry-basics -> SOLUTION: Determine the function that satisfies the following conditions. Find sin(theta) when cos(theta)=0.271 and tan(theta)<0 How do I do this?      Log On


   



Question 662860: Determine the function that satisfies the following conditions.
Find sin(theta) when cos(theta)=0.271 and tan(theta)<0
How do I do this?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find sin(theta) when cos(theta)=0.271 and tan(theta)<0
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sin%28t%29+=+sqrt%281+-+cos%5E2%28t%29%29
You get 2 values for the sine, + and minus
Use the fact that the tangent is <0 in Q2 and Q4 to know which one is correct.