Answer:
a
Step-by-step explanation:
The formula for tan is opposite/adjacent.
This being said, 12/13 would equal approximately 0.923077.
Hope this helps. ^^
Let, the number = x
It would be: x² = 1/4
x = √1/4
x = 1/2
In short, Your Answer would be 1/2
Hope this helps!
