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About LinkBacksif cot(-180 degrees)
would you add 360 to get positive 180
then do cot (180) to get 1/0 or undefined
my second problem is if tan= 1.3
what is the value of (cot-angle)
I am not sure how to do this.
Can anyone help me please?
if cot(-180 degrees)
would you add 360 to get positive 180
then do cot (180) to get 1/0 or undefined
my second problem is if tan= 1.3
what is the value of (cot-angle)
I am not sure how to do this.
Can anyone help me please?
A clockwise movement ofOriginally Posted by homeylova223
brings us to the same position on the unit-circle
as a counterclockwise rotation of
Hence
For
hence the cotangent of that angle is undefined.
For cotangent, you only need know that it is the reciprocal of tangent.
In the unit-circle,
and
Therefore
![=\displaystyle\frac{\left(\frac{1}{2}\right)}{-\left(\frac{\sqrt{3}}{2}\right)}=\frac{\left(\frac {1}{2}\right)}{\left(\frac{1}{2}\right)}\;\left[-\frac{1}{\sqrt{3}}\right]](http://latex.codecogs.com/png.latex?=\displaystyle\frac{\left(\frac{1}{2}\right)}{-\left(\frac{\sqrt{3}}{2}\right)}=\frac{\left(\frac {1}{2}\right)}{\left(\frac{1}{2}\right)}\;\left[-\frac{1}{\sqrt{3}}\right])
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