Question

Show that cos 30 degree + sin 60 degree / 1+ sin 30 degree + cos 60 degree is equal to cos 30 degree

Answer 1

cos30=√3/2sin60=√3/2sin30=1/2cos60=1/2therefore cos30+sin60/1+sin60+cos60=cos30therefore√3/2+√3/2/1+1/2+1/2=√3/2            2√3/2/1+1=√3/2          √3/2=√3/2
therefore proved