Question

How do you evaluate the six trigonometric functions given t=0?

Answer 1

We start with `sin0=0,cos0=1` which you should know.

Explanation:

`tan0=(sin0)/(cos0)=0/1=0`

`cot0=1/(tan0)=1/0=+-oo` (undefined)

`sec0=1/(cos0)=1/1=1`

`csc0=1/(sin0)=1/0=+-oo` (undefined)