Teach me Trigonometry in one post /sci/.

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Anonymous Wed Aug 24 07:59:29 2011 No.3618505 [Reply] [Original]

Teach me Trigonometry in one post /sci/.

>>	Anonymous Wed Aug 24 08:03:29 2011 No.3618511 File: 60 KB, 818x1058, 1313617059264.gif [View same] [iqdb] [saucenao] [google]

>>	Anonymous Wed Aug 24 08:05:29 2011 No.3618513 >see triangle

>>	Anonymous Wed Aug 24 08:08:29 2011 No.3618522 Challenge refused.

Anonymous Wed Aug 24 08:08:29 2011 No.3618524

>>3618505
Define the unit circle as the circle formed by graphing y=sqrt(1-x^2); ie, a circle with radius 1, centered at the origin.

Define pi radians as the distance around a circle such that you've got to the opposite side of the circle. 2pi radians is 360 degrees.

sin(radians) is the y coordinate on the unit circle at the appropriate radian distance. cos(radians) is the x coordinate at the equivalent. The rest is lemma and corollary.

>>	Anonymous Wed Aug 24 08:16:29 2011 No.3618536 sin, sin everywhere.

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