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Prove that tan^(-1).(1)/(4) + tan^(-1).(...

Prove that `tan^(-1).(1)/(4) + tan^(-1).(2)/(9) = (1)/(2) cos ^(-1).(3)/(5)`

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Show that : "tan"^(-1)(1)/(4) +"tan"^(-1)(2)/(9) = (1)/(2) "cos"^(-1)(3)/(5) .

Prove that : tan^(-1).(1)/(4)+tan^(-1).(2)/(9)=(1)/(2)sin^(-1).(4)/(5)

Prove that tan ^(-1) ""(1)/(4) + tan ^(-1) ""(2)/(9) = cos ^(-1) ((2)/(sqrt5))

prove that: 2 tan ^(-1).(1)/(3) + tan^(-1).(1)/( 7) = (pi)/(4)

Prove that tan^(-1) (1/4) + tan^(-1) (2/9) = 1/2 sin^(-1) (4/5)

Prove that tan^-1(1/4)+ tan^-1(2/9) = 1/2sin^-1(4/5)

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

Prove that : tan^(-1)(1/2) + tan^(-1)(1/3) = tan^(-1)(3/5) + tan^(-1)(1/4) = pi/4

Prove that: 2tan^(-1)(1/2)+tan^(-1)(1/7)=tan^(-1)(31/17)

Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)

ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
  1. If the numerical value of tan(cos^(-1)((4)/(5))+tan^(-1)((2)/(3)))" i...

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  2. The value of cos[1/2cos^(-1)(cos(-(14pi)/5))]\ is/are a.cos(-(7pi)/...

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  3. Prove that tan^(-1).(1)/(4) + tan^(-1).(2)/(9) = (1)/(2) cos ^(-1).(3)...

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  4. Solve: sin^(-1)(3x)/5+sin^(-1)(4x)/5=sin^(-1)x

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  5. Evaluate: sin(cot^(-1)x) (ii) cos(tan^(-1)x)

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  6. sin(cot^(-1)(tan(tan^(-1)x))),"x" in (0," 1]

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  7. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  8. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  9. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  10. x≥0,y≥0,z≥0 and tan^(-1) x+tan^(-1) y+tan^(-1) z=k, the possible value...

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  11. Statement I is True: Statement II is True; Statement II is a correct ...

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  12. Statement I is True: Statement II is True; Statement II is a correct ...

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  13. : Find the value of cot (tan^-1 α + cot^-1 α).

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  14. Determine the principal value of cos^-1( -1/2).

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  15. A.Statement I is True: Statement II is True; Statement II is a correct...

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  16. The number of ordered pair (x ,\ y) satisfying correspondence C1 is 1 ...

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  17. The number of ordered pairs of integers (x,y) satisfying the equation ...

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  18. is a function which is- a.  one-one           b.  many-one         ...

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  19. p+r+2q= 1 b. 2 c. 0 d. 4

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  20. If bdot(log)(|"s"|)|p+q|=kdota then value of k is- 9/2 b. 6 c. (-3)/2 ...

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