I do not even know where to start with this question: Which of the following statements is impossible? a)8cos theta= -8 b) 4tan theta=125 c) 100sec theta=99 d)12cot theta=1
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i think its (c). -1<=cos(theta)<=1
Originally Posted by ceroseven I do not even know where to start with this question: Which of the following statements is impossible? a)8cos theta= -8 b) 4tan theta=125 c) 100sec theta=99 d)12cot theta=1 What's the range for the secant function?
(-1,1)??
Originally Posted by ceroseven (-1,1)?? No, $\displaystyle \left[-1,1\right]$ is the range for cosine. If you can find the 'complement' of that interval, you will have the range of secant.
So what is the answer? I am confused
Originally Posted by ceroseven So what is the answer? I am confused Do you even know the definition of sec theta?
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