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Mathematics 15 Online
OpenStudy (anonymous):

Em is that the cot and tan graph meet at where pi/4? or 45 degree?

OpenStudy (anonymous):

yeah easy way to do this is to switch it into cot = cos/sin tan = sin/cos

OpenStudy (anonymous):

so yeah pi/4

OpenStudy (anonymous):

here is a really easy trick to memorize the cos & sin simple angles http://www.youtube.com/watch?v=1-hrT1Ys390

OpenStudy (anonymous):

in combination with http://www.youtube.com/watch?v=ao4EJzNWmK8 reaaaaally easy to get them all down

OpenStudy (anonymous):

can't find the one i was looking for for the second one but that one will suffice patrickjmt is a beast

OpenStudy (anonymous):

oh patrick, i love his vids too

OpenStudy (anonymous):

yeah definitely :) check out the first video for sure though it's extremely helpful when you are learning you still have to memorize the first quadrant but you really need to have them down anyway, along with pi/2, pi, 3pi/2 and 2pi

OpenStudy (anonymous):

the rest of the radians/degrees you can figure out the exact value using the above method

OpenStudy (anonymous):

anyway good luck to you :0

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