If sin(a) = 0.55 and cos(a) < 0 , determine sin(theta) and cos(theta) .
a) sin(theta) = 0.55, cos(theta) > 0
b) sin(theta) = -0.55, cos(theta) > 0
c) sin(theta) = 0.55, cos(theta) < 0
d) sin(theta) = -0.55, cos(theta) < 0