SOLUTION: use the half angle identities to find all solutions in the interval [0,2pi) sin^2x=cos^2(x/2)

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Question 738948: use the half angle identities to find all solutions in the interval [0,2pi) sin^2x=cos^2(x/2)
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
use the half angle identities to find all solutions in the interval [0,2pi) sin^2x=cos^2(x/2)
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..
2cos(x)-1=0
cos(x)=1/2
x=π/3, 5π/3
..
cos(x)+1=0
cos(x)=-1
x=π

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