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Show that tan^-1frac(1)(5)+tan^-1frac(...

Show that
`tan^-1frac(1)(5)+tan^-1frac(1)(7)+tan^-1frac(1)(3)+tan^-1frac(1)(8)=pi/4`

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Prove that sin^-1frac(4)(5)+sin^-1frac(5)(13)=sin^-1frac(63)(65)

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BODY BOOKS PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS-EXERCISE
  1. Show that sin^-1(8/17)+sin^-1(3/5)=tan^-1(77/36)

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  2. If tan^(-1) ((x-1)/(x-2)) + tan^(-1) ((x+1)/(x+2)) = pi/4. then find t...

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  3. Show that tan^-1frac(1)(5)+tan^-1frac(1)(7)+tan^-1frac(1)(3)+tan^-1f...

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  4. Choose the correct answer from the bracket. if cos^-1x=y,then y is...

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  5. find the value of cos^-1cos((7pi)/3)

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  6. Solve for x if,tan^-1(frac(1+x)(1-x))=2tan^-1x

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  7. Choose the correct answer from the bracket. cos(tan^-1x),|x|<1 is ...

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  8. Prove that sin^-1frac(4)(5)+sin^-1frac(5)(13)=sin^-1frac(63)(65)

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  9. Choose the correct answer from the bracket tan^-1((1-tanx)/(1+tanx)) e...

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  10. Express tan^-1((1-sinx)/cosx) in the simplest form.

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  11. Prove that tan^-1(1/2)-tan^-1(2/5)=tan^-1(1/12)

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  12. In which quadrants are the graph of cos^-1(x) lies,x in [-1,1]

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  13. If cos^-1x+cos^-1y=pi/3,then sin^-1x+sin^-1y=………..

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  14. if tan^-1x+tan^-1y=pi/4 then prove that x+y+xy=1

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  15. Find the values of the following tan frac(1)(2) [sin^(-1)((2x)/(1+x...

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  16. Evaluate tan^-1[2cos(2sin^-1(1/2)].

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  17. Prove that sin^-1(8/17)+sin^-1(3/5)=cos^-1(36/85)

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  18. The principal value of tan^-1(-1) is [pi/4,-pi/4,pi-pi/4,pi+pi/4]

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  19. If tan^-1 2+tan^-1 3=x, find x in radian

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  20. Find the principal value of sec^-1(-frac(2)(sqrt3))

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