SOLUTION: If theta is a positive acute angle and 2costheta +3 = 4, find the number of degrees in theta.

Algebra ->  Trigonometry-basics -> SOLUTION: If theta is a positive acute angle and 2costheta +3 = 4, find the number of degrees in theta.       Log On


   

Question 729753: If theta is a positive acute angle and 2costheta +3 = 4, find the number of degrees in theta.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If theta is a positive acute angle and 2costheta +3 = 4, find the number of degrees in theta.
2cosx+3=4
2cosx=1
cosx=1/2
theta=x=60º