Recent content by Selina G.

Hi..please help and teach me how to do these problems and please show work so I can learn! Please 1) evaluate if sin a=2/radical5 ; 0<a<pi/2 the problem is sin 2a #2-3 solve for each equation: 2)2sinx+radical 3 = 0 3)radical2 cos x-1 =0 #4 solve the equation on the time interval...