If a+b= 2+11 then your sum will be 13.
heres an example...
If you have eleven dollars and I give you 2 more you can simply count up 2 more from 11 leaving you at 13.
you're welcome.
Answer:

Step-by-step explanation:
Given

--- First Quadrant
Required
Find tan(A)
The sin of an angle is:

and

By comparison:


So, the Adjacent is:



Collect like terms


Take square roots


The tangent of an angle is:

This gives:
