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cos (cos^-1 cos((8pi)/7) +tan^-1 tan(8pi...

`cos (cos^-1 cos((8pi)/7) +tan^-1 tan(8pi/7))` has the value equal to -

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ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
  1. Show that : cos(2\ tan^(-1)(1/7 ))=sin(4\ tan^(-1) (1/3) )

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  2. The value of sec(sin^-1(sin((-50pi)/9))+cos^-1(cos(31pi)/9))

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  3. cos (cos^-1 cos((8pi)/7) +tan^-1 tan(8pi/7)) has the value equal to -

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  4. If cot^(-1)(sqrt(cosalpha))-tan^(-1)(sqrt(cosalpha))=x , then sinx is ...

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  5. "tan"(cos^(-1)x) is equal to x/(1+x^2) b. (sqrt(1+x^2))/x c.(sqrt(1-x^...

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  6. If x=2cos^(-1)(1/2)+sin^(-1)(1/(sqrt(2)))+tan^(-1)(sqrt(3))\ a n d\ y=...

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  7. If x = tan^(-1) 1 - cos^(-1) ( - 1/2) + sin^(-1) 1/2 , y = cos (1/2 c...

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  8. If sin^-1x+ cot^-1 (1/2)= pi/2 then x is (A) 0 (B) 1/sqrt(5) (C) 2/sqr...

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  9. If tan(cos^(-1)x)="sin"(cot^(-1)(1/2)) then x is equal to- a.1/sqrt(5)...

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  10. sin^(-1)(2xsqrt(1-x^2))=2sin^(-1)x is true if x in [0,\ 1]\ b. [-1/(...

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  11. Domain of the explicit from of the function y represented implicity by...

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  12. If cos^(-1) x - cos^(-1).(y)/(2) = alpha, then 4x^(2) - 4xy cos alpha ...

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  13. If cos^(-1)x+cos^(-1)y+cos^(-1)z=pi,t h e n x^2+y^2+z^2+x y z=0 x^...

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  14. The solution of the inequality (tan^(-1)x)^2-3tan^(-1)x+2geq0 is- a.(-...

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  15. The value of sin\ (1/2cot^(-1)(-3/4))+cos(1/2cot^(-1)(-3/4)) is/are eq...

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  16. For the equation 2x=tan(2tan^(-1)a)+2 t a n(tan^(-1)a+tan^(-1)a^3) , w...

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  17. Which of the following pairs of function/functions has same graph? y=...

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  18. The solution set of the equation sin^(-1) sqrt(1 - x^(2)) + cos^(-1)...

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  19. The solution set of the equation sin^(-1) sqrt(1 - x^(2)) + cos^(-1)...

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  20. If 0ltxlt1, then "tan"^(-1)(sqrt(1-x^(2)))/(1+x) is equal to

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