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  1. J

    Line/plane thing

    A line passing through two points \vec{r_0} and \vec{r_1} is simply \vec{r}=(1-t)\vec{r_0}+t\vec{r_1} You are given a point that you want the line through and you can figure out another arbitrary one right?
  2. J

    Rational vs. Polynomial Functions

    The definition of a rational function is any function that satisfies/can be expressed as f(x)=\frac{P(x)}{Q(x)} So when thinking whether (3) is rational or not, think about what happens if Q(x)=1 in this definition.
  3. J

    Finding angle

    Think of the ratio \frac{\sin\theta}{\cos\theta}. What can that be written as?
  4. J

    Trigonometry Equation

    Is that first term 4\csc(x)? And what are you trying to do with the equation, solve it?
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