How do you evaluate #arctan(1)# without a calculator?
2 Answers
Feb 27, 2018
Explanation:
Feb 27, 2018
Explanation:
Alternative you can draw it
I have drawn it in free hand,
so i hope you can see what it represents
It is the 1. quadrant of the unit circle,
both the leg of the triangle must be 1,
and thus the two remaining angles must be the same
that is