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if xy+yz+zx=1 then what is tan^(-1)x+tan...

if xy+yz+zx=1 then what is `tan^(-1)x+tan^(-1)y+tan^(-1)z`?

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If x+y=4, xy=1 , then find tan^(-1)x +tan^(-1)y .

If x+y+z=xyz, then what is the value of tan^(-1)x+tan^(-1)y+tan^(-1)z ?

If x+y=4, xy=1 then what is the value of tan^(-1)x+tan^(-1)y ?

Prove that tan^(-1)(1)+tan^(-1)(2) +tan^(-1)(3) =pi .

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SHARAM PUBLICATION-INVERSE TRIGNOMETRIC FUNCTIONS-EXAMPLE
  1. If x+y+z=xyz, then what is the value of tan^(-1)x+tan^(-1)y+tan^(-1)z?

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  2. Find the value of sin^(-1)(3/5)+tan^(-1)(1/7).

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  3. if xy+yz+zx=1 then what is tan^(-1)x+tan^(-1)y+tan^(-1)z?

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  4. Write the domain of the function defined by f(x)=sin^(-1)x+cosx

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  5. What is the value of sin2 sin^(-1)(3/5)?

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  6. Find the value of tan(pi/4+2cot^(-1) sqrt3)

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  7. Express the value of "cosec"("cos"^(-1) 3/5 +"cos"^(-1) 4/5) in simple...

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  8. Write the value of sin cos^(-1)tan sin^(-1)(1/sqrt2) in simplest form.

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  9. Find the value of sin[cot^(-1){tan(cos^(-1)x)}]

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  10. If "sin"^(-1)(2a)/(1+a^(2))-"cos"^(-1)(1-b^(2))/(1+b^(2))="tan"^(-1)(2...

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  11. What is the value of 2tan^(-1)(1/3)+tan^(-1)(1/7)?

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  12. Express the value of "tan"^(-1)(x/y)-"tan"^(-1)((x-y))/((x+y) in simpl...

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  13. What is the principal value of "cos"("cos"(2pi)/(3))+"sin"^(-1)("sin...

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  14. What is the principal value of "tan"^(-1)(0)and"tan"^(-1)(-1)

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  15. Find the principal value of :cos^(-1)(sqrt3/2).

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  16. Using the principal value, evaluate tan^ -1(1)+sin^(-1)(-1/2).

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  17. write the principal value of sin^(-1)[sin((3pi)/5)].

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  18. If "tan"^(-1)(sqrt(3))+"cot"^(-1)x=pi/(2), then find x.

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  19. Using the principal values, find the value of cos^(-1)cos((13pi)/(6)).

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  20. Show that "sin"^(-1)(4)/(5) +2"tan"^(-1)(1)/(3) =(pi)/(2).

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