2π - sin-145 + sin-1513 + sin-11

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 Multiple Choice QuestionsMultiple Choice Questions

191.

If 2sinh-1a1 - a2 = log1 + x1 - x, then x is equal to

  • a

  • 1a

  • 1 - a2

  • 11 - a2


192.

If x =sin2tan-12 and y = sin12tan-143, then

  • x > y

  • x = y

  • x = 0 = y

  • x< y


193.

If coshx = 54, then cosh3x = ?

  • 6116

  • 6316

  • 6516

  • 6163


194.

In aABC, if <A = 90°, then cos-1Rr2 +r3 = ?

  • 90°

  • 30°

  • 60°

  • 45°


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195.

If cotcos-1x = sectan-1ab2 - a2 : b > a, then x = 

  • b2b2 - a2

  • b2 - a2ab

  • a2b2 - a2

  • b2 - a2a


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196.

2π - sin-145 + sin-1513 + sin-11665 = ?

  • π2

  • π

  • 3π2

  •  - π2


C.

3π2

2π - sin-145 + sin-1513 + sin-11665 2π - tan-143 + 5121 - 43 . 512 + tan-11663 2π - tan-16316 + cot-16316= 2π - π2= 3π2


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