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gies28 Group Title

How many degrees are in 3pi/2 radians?

  • one year ago
  • one year ago

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  1. ZeHanz Group Title
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    A full circle is 360 degrees. If you take the Unit circle, the circumference is 2*pi*r=2*pi*1=2pi. Because the radian is the same unit as the length of the unit circle, there are also 2pi radians in a full circle. So remember: 360 degrees = 2pi radians. Now can you see the number of degrees in 3pi/2 (= 3/2*pi) radians?

    • one year ago
  2. gies28 Group Title
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    thx

    • one year ago
  3. gies28 Group Title
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    so whats the answer

    • one year ago
  4. Hero Group Title
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    pi = 180 3pi/2 = 3(180)/2 = 3(90) = ?

    • one year ago
  5. nitz Group Title
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    still confusion?

    • one year ago
  6. Hero Group Title
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    You can't make it any more obvious than that.

    • one year ago
  7. gies28 Group Title
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    ya i get it thx

    • one year ago
  8. Hero Group Title
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    So...what is it then?

    • one year ago
  9. gies28 Group Title
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    270

    • one year ago
  10. gies28 Group Title
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    What is the exact value of cos 45° as found on the unit circle?

    • one year ago
  11. Hero Group Title
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    I'm only going to show you this once...I hope you understand it

    • one year ago
  12. gies28 Group Title
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    k

    • one year ago
  13. Hero Group Title
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    \[\sin(0,30,45,60,90) = \frac{\sqrt{0,1,2,3,4}}{2}\] \[\cos(0,30,45,60,90) = \frac{\sqrt{4,3,2,1,0}}{2}\]

    • one year ago
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