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gies28
 2 years ago
How many degrees are in 3pi/2 radians?
gies28
 2 years ago
How many degrees are in 3pi/2 radians?

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ZeHanz
 2 years ago
Best ResponseYou've already chosen the best response.0A 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?

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1pi = 180 3pi/2 = 3(180)/2 = 3(90) = ?

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1You can't make it any more obvious than that.

gies28
 2 years ago
Best ResponseYou've already chosen the best response.1What is the exact value of cos 45° as found on the unit circle?

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1I'm only going to show you this once...I hope you understand it

Hero
 2 years ago
Best ResponseYou've already chosen the best response.1\[\sin(0,30,45,60,90) = \frac{\sqrt{0,1,2,3,4}}{2}\] \[\cos(0,30,45,60,90) = \frac{\sqrt{4,3,2,1,0}}{2}\]
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