tan 180 = \frac{sin 180}{cos 180} so shouldn't it be 0 since sin180 = 0 and cos180 = -1?
S spacewater Junior Member Joined Jul 10, 2009 Messages 67 Oct 3, 2009 #1 tan180=sin180cos180\displaystyle tan 180 = \frac{sin 180}{cos 180}tan180=cos180sin180 so shouldn't it be 0\displaystyle 00 since sin180=0\displaystyle sin180 = 0sin180=0 and cos180=−1\displaystyle cos180 = -1cos180=−1?
tan180=sin180cos180\displaystyle tan 180 = \frac{sin 180}{cos 180}tan180=cos180sin180 so shouldn't it be 0\displaystyle 00 since sin180=0\displaystyle sin180 = 0sin180=0 and cos180=−1\displaystyle cos180 = -1cos180=−1?