i'm having trouble on this one. i expand the numerator and eliminate the (secA-cosA) and i get.. and then i make secAcosA= to 1 but then i get stuck, could someone help me with this please?
Follow Math Help Forum on Facebook and Google+
Well, secēA+cosAsecA+cosēA=1/cosē+1+cosēA=(cosē+sinē)/cosē+1+cosēA=1+sinē/cosē+1+cosēA=2+tanēA+cosēA.
View Tag Cloud