25. simplify:
sin^2 ø/1- cos ø
please help? thank you!
I'll just use x for the angle
sin^2(x)/(1-cos(x)
= (1-cos^2(x))/(1-cos(x))
= (1+cosx)(1-cosx)/(1-cosx)
= 1+cosx
sin^2 ø/1- cos ø
please help? thank you!
sin^2(x)/(1-cos(x)
= (1-cos^2(x))/(1-cos(x))
= (1+cosx)(1-cosx)/(1-cosx)
= 1+cosx