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AP EAMCET202124 Aug 2021Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual

If + cosec =2 , then the value of ¹⁰ + cosec ¹⁰ is equal to

Options

  1. A2
  2. B2¹⁰
  3. C2^9
  4. D2^8

Correct answer

A. 2

Step-by-step solution

Given, + cosec =2 It is possible only = cosec =1 ¹⁰ + cosec ¹⁰ =(1)¹⁰+(1)¹⁰=1+1=2

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