anonymous
  • anonymous
cosecant of y plus cotangent of y times cosecant of y minus cotangent of y divided by cosecant of y. -sin y cos y sin y csc y
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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rob1525
  • rob1525
wow, that was kina hairy. Um so...
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anonymous
  • anonymous
Thanks rob, it was right!
anonymous
  • anonymous
\[\left( \csc A+\cot A \right)\left( \csc A-\cot A\right)=\csc ^{2}A-\cot ^{2}A=1\]

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DebbieG
  • DebbieG
Whhooaaaa.... way easier to do than that. Like @sujithayer points out, from the Pythagorean ID relating cosecant and cotangent, the num'r easily simplifies to 1. So you have 1/csc(y)=sin(y)

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