Question 778052
sec(theta) = 0.5


1/cos(theta) = 0.5


1 = 0.5*cos(theta)


1/0.5 = cos(theta)


2 = cos(theta)


cos(theta) = 2


This is NOT possible since the range of cosine is from -1 to 1


So sec(theta) = 0.5 is <font color="red">NOT possible</font>.