SOLUTION: Solve the equation for the given domain: 4cos^2(x)=1 for 0 degrees<x<360 degrees
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Question 973671
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Solve the equation for the given domain: 4cos^2(x)=1 for 0 degrees
Answer by
Boreal(15235)
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4 cos^2 x=1
cos^2 x= (1/4)
cos x = +/- (1/2)
That occurs at the following degrees
60
120
240
300