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If Tan^(-1)((x-1)/(x-2))+Cot^(-1)((x+2)/...

If `Tan^(-1)((x-1)/(x-2))+Cot^(-1)((x+2)/(x+1))=pi/4`, then x =

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The correct Answer is:
`+-1/(sqrt(2))`
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NCERT TELUGU-INVERSE TRIGONOMETRIC FUNCTIONS-EXERCISE 2.2
  1. Prove the following : 3cos^(-1)x=cos^(-1)(4x^(3)-3x),x epsilon[1/2,1...

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  2. Prove the following : "tan"^(-1)2/11+"tan"^(-1)7/24="tan"^(-1)1/2

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  3. 2"Tan"^(-1)1/3+"Tan"^(-1)1/7=

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  4. Write the following function in the simplest form : "tan"^(-1)(sqrt(...

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  5. Write the following function in the simplest form : "tan"^(-1)1/(sqr...

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  6. Write the following function in the simplest form : tan^(-1)(sqrt((1...

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  7. Write the following function in the simplest form : tan^(-1)((cosx-s...

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  8. Write the following function in the simplest form : "tan"^(-1)x/(sqr...

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  9. Write the following function in the simplest form : tan^(-1)((3a^(2)...

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  10. Find the values of each of the following : tan^(-1)[ 2 cos (2 "sin"^...

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  11. Find the values of each of the following : cot(tan^(-1)a+cot^(-1)a)

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  12. Find the values of each of the following : "tan"1/2["sin"^(-1)(2x)/...

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  13. Find the values of each of the following : If sin ("sin"^(-1)1/5+"co...

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  14. If Tan^(-1)((x-1)/(x-2))+Cot^(-1)((x+2)/(x+1))=pi/4, then x =

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  15. Sin^(-1)("sin"(2pi)/3)=

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  16. Find the values of each of the expression following : tan^(-1)("tan"...

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  17. Find the values of each of the expression following : tan("sin"^(-1...

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  18. cos^(-1)("cos"(7pi)/6) is equal to

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  19. sin((pi)/3-"sin"^(-1)(-1/2)) is equal to

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  20. tan^(-1)sqrt(3)-cot^(-1)(-sqrt(3)) is equal to

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