anonymous
  • anonymous
what is csc(1560°) and how do you solve it? I tried to put it in my calculator but I am getting the incorrect answer.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
csc is the inverse of sin. So when you put it in your calculator its a little different. try this (1/sin(1560))inverse. and then enter
anonymous
  • anonymous
fisrt we need to find sin(1560) as csc(1560°) is the reciprocal of sin(1560)
anonymous
  • anonymous
now sin(1560)=sin(4*360+ 120) =sin(120) =sin(180-60) ( u can write sin(120)=sin(90+30)=cos30) =sin60=sqrt(3)/2 hence csc(1560°) =1/sin(1560) =2/sqrt(3)

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anonymous
  • anonymous
Another approach:\[\text{Csc}[\text{Mod}[1560{}^{\circ},360{}^{\circ}]]=\frac{2}{\sqrt{3}} \]
anonymous
  • anonymous
Thank you so much, I was extremely confused , the explanations you both gave were extremely helpful.

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