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[" Let "alpha in(0,pi/2)" be fixed.If th...

[" Let "alpha in(0,pi/2)" be fixed.If the integral "],[int(tan x+tan alpha)/(tan x-tan alpha)dx=],[A(x)cos2 alpha+B(x)sin2 alpha+C," where "C" is a "],[" constant of integration,then the functions "],[A(x)" and "B(x)" are respectively : "]

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