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anonymous
 5 years ago
any tricks to remembering a unit circle?
anonymous
 5 years ago
any tricks to remembering a unit circle?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0especially the radians?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Draw Circle with radius. If you are familiar with 306090 and 454590 triangle, just use that for remembering the unit circle

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0iknow the degree measurements..i have a quiz tomorrow and have to fill out the blank circle with cos, sin and radians. I just need tricks to remember how to fill it out

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do you just need 90, 180, 370, 0 degrees, or all reference anglew

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you only need to know three angle 30,45,60 for every else you can derive easily

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0If you know the values for 30,60,45 they will workfor all the angles, the signs will change depending what quadrant the angle is in

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok i got that what about the radians for each angle how do you remember those

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0remember that one radian is 180 degree. So always know what's the ratio between the angle and 180 and then stick radian. So If i were to find radian eqivilent of 90, I would find ration 90/180=1/2 stick radian sign 1/2 radian

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so then 60/180 = pi/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0iknow it is sin/cos but i cant divide radicals by radicals

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So for example lets find tangent of 30 sin 30= 1/2 cos 30= sqrt(3)/2 1/2* 2/sqrt(3) 2/2sqrt(3)
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