# Math Help - applications of trigonometry and vectrors

1. ## applications of trigonometry and vectrors

Distance across a lake
points A and B are on opposite sides of Lake Yankee. From a third point, C, the angle between the lines of sight A and B is 46.3 degrees. If AC is 350 m long and BC is 286 m long, find AB

2. ## I wont do it for you

Originally Posted by veronica mars
Distance across a lake
points A and B are on opposite sides of Lake Yankee. From a third point, C, the angle between the lines of sight A and B is 46.3 degrees. If AC is 350 m long and BC is 286 m long, find AB
but I will give you a hint $c^2=a^2+b^2-2abcos(\theta)$

you

4. ## No

Originally Posted by veronica mars
you
Problem...haha xD