Question 845667
solve sin^2 5pi/6+tan^2 pi/6
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(sin[(5/6)pi]^2 + [tan(pi/6)]^2
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= (1/2)^2 + (1/sqrt(3))^2
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= 1/4 + 1/3
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= (3+4)/12 
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= 7/12
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Cheers,
Stan H.
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