by the cofunction property
cos B = sin A
so, if angle B = 33
angle A = ?
By the cofunction property, cos 33° = sin _______
2 answers
sin(A)=cos(90°-A)
cos(33°)=sin(90°-33°)=sin(57°)
cos(33°)=sin(90°-33°)=sin(57°)