SOLUTION: how do you solve cos2x=1/(2)^1/2

SOLUTION: how do you solve cos2x=1/(2)^1/2

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Question 770132: how do you solve cos2x=1/(2)^1/2
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
cos2x=1/(2)^1/2
2x = 45 degs, 315 degs, 405 degs and 675 degs
x = 22.5 degs, 157.5 degs, 202.5 degs and 337.5 degs
x = pi/8, 7pi/8, 9pi/8 and 15pi/8
Hope this helps.
:-)
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