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If tan n = (1)/(sqrt (x (x ^(2) + x + 1)...

If `tan n = (1)/(sqrt (x (x ^(2) + x + 1))). tan beta = (sqrtx)/(sqrt (x ^(2) + x +1))and tan y = (x ^(-3) + x ^(-2)+ x ^(-1)) ^(1//2),` then for `x gt 0`

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If tan alpha = (1)/(sqrt (x (x ^(2) + x + 1))). tan beta = (sqrtx)/(sqrt (x ^(2) + x +1))and tan y = (x ^(-3) + x ^(-2)+ x ^(-1)) ^(1//2), then for x gt 0

if tan alpha=(1)/(sqrt(x(x^(2)+x+1))),tan beta=(sqrt(x))/(sqrt(x^(2)+x+1)) and tan gamma=sqrt(x^(-3)+x^(-2)+x^(-1)) then alpha+beta=

If tan A = frac{1}{sqrt (x(x^2 x 1)} , tan B = frac{sqrt x}{sqrt (x^2 x 1)} , and tan C = (x^(-3) x^(-2) x^(-1))^(1/2) , 0 < A, B, C < pi/2 , then A B is equal to :

If tan alpha=(1)/(sqrt(x(x^(2)+x+1))),tan beta=(sqrt(x))/(sqrt(x^(2)+x+1)) and tan gamma=sqrt((1)/(x^(3))+(1)/(x^(2))+(1)/(x)) be such that l alpha+m beta+n gamma=0 then the value of l^(3)+m^(3)+n^(3)-3lmn is

tan^(-1)[x/sqrt(a^(2)-x^(2))]=

If y=tan ^(-1) (sqrt( 1+x^(2)) +x ),then (dy)/(dx) =

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If: tan^(-1) ((sqrt(1 + x^2)-1)/(x)) = 4 then : x =

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MODERN PUBLICATION-TRIGONOMETRY-FREQUENTLY ASKED QUESTIONS
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  8. Find the maximum and minimum values of 7costheta + 24sintheta

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  18. Prove that sin 10^(@) " sin " 50^(@) " sin " 60^(@) " sin " 70^(@) ...

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  19. (sin 5x + sin 3x)/(cos 5x + cos 3x) = tan 4x

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