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Math Help - Cot is undefined and Sec is negative...

  1. #1
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    Cot is undefined and Sec is negative...

    I have a problem that is telling me to find
    \cos{\theta} and \tan{\theta} by using the given information to construct a reference triangle.

    It gives me: \cot{\theta} is undefined and \sec{\theta} is negative.

    I know because secant is negative that it can only be in quadrants 2 or 3. I do not know what to do from here...thanks!
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  2. #2
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    Quote Originally Posted by LoveBeachForever View Post
    I have a problem that is telling me to find
    \cos{\theta} and \tan{\theta} by using the given information to construct a reference triangle.

    It gives me: \cot{\theta} is undefined and \sec{\theta} is negative.

    I know because secant is negative that it can only be in quadrants 2 or 3. I do not know what to do from here...thanks!
    If \cot{\theta} is undefined, then \sin{\theta} = 0.

    Since it must be in quadrant 2 or 3 (or in this case, right between), \theta = \pi.
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