sophinahopere
sophinahopere sophinahopere
  • 18-10-2016
  • Mathematics
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Why is -csc^2 (pi/4) = -2 ?

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WXL
WXL WXL
  • 18-10-2016
sin(pi/4) = 1/sqrt(2)
csc(pi/4) = sqrt(2)
csc^2(pi/4) = 2
-csc^2(pi/4) = -2
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