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OpenStudy (anonymous):
The value of pi/16 is a solution for cos^2(4x)-1=0 TRUE or False @Mertsj please help
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OpenStudy (anonymous):
To check the answer, replace x = Pi/16 into the equation. 4x = Pi/4 --> cos Pi/4 = 1/sqr.2 --> cos^2 Pi/4 = 1/2
OpenStudy (anonymous):
is it false?
OpenStudy (anonymous):
yes, because (1/2 - 1) is not zero.
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