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The greater of the two angles A=2tan^(-1...

The greater of the two angles `A=2tan^(-1)(2sqrt(2)-1)` and `B=3sin^(-1)(1/3)+sin^(-1)(3/5)i s` ____.

A

A=B

B

`A lt B`

C

`A gt B`

D

none of these

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-INVERSE TRIGONOMETRIC FUNCTIONS -Chapter Test
  1. If tan(x+y)=33, and x= tan^(-1)3, then: y=

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  2. Two angles of a triangle are cot^-1 2 and cot^-1 3, then the third ang...

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  3. The greater of the two angles A=2tan^(-1)(2sqrt(2)-1) and B=3sin^(-1)(...

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  4. Let a, b and c be positive real numbers. Then prove that tan^(-1) sqrt...

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  5. If sin^(-1)x+sin^(-1)y+sin^(-1)z=(3pi)/(2) the value of x^(100)+y^(10...

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  6. The value of (alpha^(3))/(2) cosec^(2) ((1)/(2) tan^(-1) ((alpha)/(bet...

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  7. If a,b are positive quantitis and if a(1)=(a+b)/(2), b(1)=sqrt(a(1)b) ...

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  8. tan""(2pi)/(5)-tan""(pi)/(15)-sqrt3tan""(2pi)/(5)tan""(pi)/(15) is equ...

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  9. If a(1), a(2), a(3),...., a(n) is an A.P. with common difference d, th...

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  10. If x=sin(2tan^(- 1)2), y=sin(1/2tan^(- 1)(4/3)) , then -

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  11. Which of the following angles is greater? theta1=sin^(-1)+sin^(-1)1/3o...

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  12. The value of cos[1/2 cos^(-1){cos(sin^(-1)((sqrt63)/(8)))}] is

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  13. Solve for x: - tan^(-1)("x"+1)+tan^(-1)("x"-1)=tan^(-1) (8/31)

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  14. If alpha = sin^(-1)(sqrt(3)/2)+sin^(-1)(1/3) , beta =cos ^(-1)(sqrt(3)...

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  15. The sum of the two angles cot^(-1) 3 and cosec^(-1) sqrt(5) is

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  16. Show that: cos(2tan^(-1)1/7)=sin(4^(-1)1/3)

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  17. The number of the solutions of the equation 2 sin^(-1) sqrt(x^(2) + x ...

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  18. cos{cos^(-1)(-1/7)+sin^(-1)(-1/7)} =

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  19. If cos^(-1)x + cos^(-1)y + cos^(-1)z = 3pi, then xy + yz +zx is equal ...

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  20. Evaluate: sin(1/2cos^(-1)4/5)

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