SOLUTION: solve sin x cos x = 1/2 for exact values over the interval [0,2pie]

Algebra ->  Trigonometry-basics -> SOLUTION: solve sin x cos x = 1/2 for exact values over the interval [0,2pie]      Log On


   

Question 876276: solve sin x cos x = 1/2 for exact values over the interval [0,2pie]
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(sin x) (cos x) = 1/2
sin2x = 2(sinx)(cosx) = 1
sin2x = 1
2x = 90°
x = 45°