If (3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(...

If `(3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(pi/7)` then the value of `k` is (a)1 (b) 2 (c) 3 (d) 4

If (3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(pi/7) then the value of k is...
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The value of cos(pi/7)+cos((2pi)/7)+cos((3pi)/7)+cos((4pi)/7)+cos((5pi...
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If (3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(pi/7) then the value of k is...
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The sum of all the solution in [0,4pi] of the equation tanx+cotx+1=co...
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The value of the expression sin^(-1)(sin(22pi)/7)+cos^(-1)(cos(5pi)/3)...
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tan^(2)((pi)/(16))+tan^(2)((2 pi)/(16))+tan^(2)((3 pi)/(16))... ..+tan...
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The value of int(-2pi)^(5pi)cot^(-1)(tanx)dxi se q u a lto (7pi)/2 (...
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The value of int((7 pi)/(4))^((7 pi)/(3))sqrt(tan^(2)x)dx is
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Value of tan^2pi/16+tan^2(3pi)/16+tan^2(5pi)/16+tan^2(7pi)/16
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