Simplify sin^2b/1+cosb=?
2 Answers
Apr 5, 2018
Explanation:
We want to simplify
sin^2(b)/(1+cos(b))
Use the pythagorean identity
(1-cos^2(b))/(1+cos(b))
Factor the numerator
((1-cos(b))cancel((1+cos(b))))/cancel((1+cos(b)))=1-cos(x)
Apr 5, 2018
Explanation:
Difference of 2 squares on top
Crosses off