SOLUTION: When does cos(x) = 0?

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Question 673122: When does cos(x) = 0?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
When does cos(x) = 0?
From the "unit circle" cos(x)=0 when
In terms of degrees: 90 and 270 degrees
In terms of radians: (pi)/2 and 3(pi)/2 radians