Step-by-step explanation:
=(1+ sin^2 A/cos^2 A).cos^2 A
=[(cos^2 a+sin^2 a)/cos^2 a].cos^2 A
=[1/cos^2 a] . cos^2 a
=1
If it is right triangle use pythagorean
Answer:
6
Step-by-step explanation:
12%
The fraction is 12/100, which is the same as 12%
Hope this helps!