Science:Math Exam Resources/Courses/MATH200/December 2013/Question 01 (a) ii/Statement

The line $L$ has vector parametric equation $\text{r}(t)=(2+3t)\text{i}+4t\text{j}-\text{k}$

ii. Let $\alpha$ be the angle between the line $L$ and the plane given by the equation $x-y+2z=0$. Find $\alpha$.