SOLUTION: given that sin theta = k, and that 90<theta<180, find expressions for cos theta and tan theta

Algebra ->  Trigonometry-basics -> SOLUTION: given that sin theta = k, and that 90<theta<180, find expressions for cos theta and tan theta      Log On


   

Question 1174637: given that sin theta = k, and that 90
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


(NOTE: Don't use "<" or ">" in your post....)

Use sin(x)=k and sin%5E2%28x%29%2Bcos%5E2%28x%29=1 to find an expressions for cos(x).

Then tan(x) = sin(x)/cos(x).