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[" If "tan alpha=2" and "alpha in(pi,(3 ...

[" If "tan alpha=2" and "alpha in(pi,(3 pi)/(2))" then the value of the expression "(cos alpha)/(sin^(3)alpha+cos^(3)alpha)" is equal to "(a)/(b)" where a and "],[b" are co-prime then value of "b" -a."]

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