SOLUTION: I am not sure where to start or how to do this problem! If 0<theta<90 and sin theta= radical 35/7, find the exact value of cos theta

Algebra ->  Trigonometry-basics -> SOLUTION: I am not sure where to start or how to do this problem! If 0<theta<90 and sin theta= radical 35/7, find the exact value of cos theta      Log On


   

Question 922819: I am not sure where to start or how to do this problem! If 0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If 0 ---------------
Use the fact that sin^2 + cos^2 = 1 for all angles.