Hello VNVeteran Originally Posted by
VNVeteran What its asking for is really confusing me..
A sign on a roadway at the top of a mountain indicates that for the next 4 miles the grade is 10.5 degrees. Find the change in elevation over a distance for a car descending the mountain.
If the angle of the grade is $\displaystyle \theta$, then$\displaystyle \sin\theta = \frac{\text{opposite}}{\text{hypotenuse}}$$\displaystyle = \frac{\text{change in vertical elevation}}{\text{distance travelled down the road}}$
Can you complete it now?
Grandad