SOLUTION: Find all solutions to cos2x=0 in the interval [0,360)

Algebra ->  Trigonometry-basics -> SOLUTION: Find all solutions to cos2x=0 in the interval [0,360)      Log On


   



Question 1130892: Find all solutions to cos2x=0 in the interval [0,360)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find all solutions to cos2x=0 in the interval [0,360)
cos(2x) = 0
2x = 90, 270, 450, 630
x = 45, 135, 225, 315 degs