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Solve the equation: tan^-1(2x)+tan^-1 {(...

Solve the equation: `tan^-1(2x)+tan^-1 {(3x)} =pi/4`

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To solve the equation: \[ \tan^{-1}(2x) + \tan^{-1}(3x) = \frac{\pi}{4} \] we can use the formula for the sum of inverse tangents: ...
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RD SHARMA ENGLISH-INVERSE TRIGONOMETRIC FUNCTION-All Questions
  1. Prove that: sum(m=1)^ntan^(-1)((2m)/(m^4+m^2+2))=tan^(-1)((n^2+n)/(n^2...

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  2. Sum the following series to infinity: tan^(-1)1/(1+1+1^2)+tan^(-1)1/(1...

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  3. Solve the equation: tan^-1(2x)+tan^-1 {(3x)} =pi/4

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  4. If a1,a2,a3, an are in arithmetic progression with common difference d...

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  5. Prove that: tan^(-1)((1-x)/(1+x))-tan^(-1)((1-y)/(1+y))=sin^(-1)((y-x...

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  6. If x > y > z >0, then find the value of cot^(-1)(x y+1)/(x-y)+cot^(-1)...

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  7. Find the maximum and minimum values of (sin^(-1)x)^3+(cos^(-1)x)^3, wh...

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  8. the greatest and least values of (sin^(-1) x)^2+(cos^(-1)x)^2

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  9. Solve : 4sin^(-1)x=pi-cos^(-1)x

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  10. If (sin^(-1)x)^2+(cos^(-1)x)^2=(17pi^2)/(36) , find xdot

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  11. Prove that : tan^(-1)2+tan^(-1)3=(3pi)/4

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  12. Prove that : tan^(-1)(2/11)+tan^(-1)(7/24)=tan^(-1)(1/2)

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  13. Prove that: sin^(-1)(12)/(13)+cos^(-1)4/5+tan^(-1)(63)/(16)=pi

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

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  15. Prove that: tan^(-1)(1/7)+tan^(-1)(1/(13))=tan^(-1)(2/9) tan^(-1)(1...

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  16. If tan^(-1)2+tan^(-1)3+theta=pi, find the value of thetadot

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  17. What is greater, tan1 or tan^(-1)1?

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  18. Find the minimum value of n for which tan^(-1)(n/pi)>pi/4,n in Ndo...

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  19. Find the principal values of sec^(-1)(2/(sqrt(3))) and sec^(-1)(-2)

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  20. Find the domain of sec^(-1)(2x+1)

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