Maths-
General
Easy

Question

I f fraction numerator pi over denominator 2 end fraction less than alpha less than pi comma blank t h e n blank t h e blank d i s t a n c e blank b e t w e e n blank t h e blank p o i n t s blank open parentheses t a n blank alpha comma 2 close parentheses comma open parentheses 0 comma 1 close parentheses blank i s

  1. c o s e c blank alpha    
  2. negative c o s e c blank alpha    
  3. s e c blank alpha    
  4. negative blank s e c blank alpha    

The correct answer is: negative blank s e c blank alpha


    D i s t a n c e equals square root of t a n to the power of 2 end exponent alpha plus 1 end root
    equals open vertical bar s e c blank alpha close vertical bar
    equals negative s e c blank alpha open parentheses because alpha element of I I subscript Q end subscript close parentheses

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