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OpenStudy (anonymous):
The value pi/24 is a solution for the equation 4cos^2(4x)-3=0 True or False?
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OpenStudy (anonymous):
It's true because cos [4(pi/24)] = cos (pi/6) = [sqrt(3)]/2
OpenStudy (anonymous):
oooohhh okay I get it now! thank you!:)
OpenStudy (anonymous):
uw!
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