How do you simplify (sina+tana)/(1+cosa)?
1 Answer
Oct 11, 2016
Explanation:
=(tan(a)-sin(a)cos(a))/(1-cos^2(a))
=(tan(a)-sin(a)cos(a))/sin^2(a)
=(cot(a)(tan(a)-sin(a)cos(a)))/(cot(a)sin^2(a))
=(1-cos^2(a))/(cos(a)sin(a))
=sin^2(a)/(cos(a)sin(a))
=sin(a)/cos(a)
=tan(a)