SOLUTION: solve -3sin^2(theta)+3cos^2(theta)=0

Question 879919: solve -3sin^2(theta)+3cos^2(theta)=0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
solve -3sin^2(theta)+3cos^2(theta)=0

(sin^2(x)-cos^2(x)=0
sin^2(x)-1+sin^2(x)=0
2sin^(x)=1
sin^2(x)=1/2
sin(x)=�√(1/2)=�√2/2
x=π/4, 3π/4, 5π/4, 7π/4

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