# applications of trigonometry and vectrors

• April 7th 2008, 03:29 PM
veronica mars
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
• April 7th 2008, 03:45 PM
Mathstud28
I wont do it for you
Quote:

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 $c^2=a^2+b^2-2abcos(\theta)$
• April 7th 2008, 04:55 PM
veronica mars
thank
you
• April 7th 2008, 05:18 PM
Mathstud28
No
Quote:

Originally Posted by veronica mars
you

Problem...haha xD