SOLUTION: State whether it is possible for sec(theta)=0.5

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Question 778052: State whether it is possible for sec(theta)=0.5
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
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 NOT possible.