IMG_1282
Here we use law of cosines to find the angle Theta at corner L. Then we can use theta to find Px and Py. Law of cosines is good! Hammer it into your brain until it sticks.
Here we use law of cosines to find the angle Theta at corner L. Then we can use theta to find Px and Py. Law of cosines is good! Hammer it into your brain until it sticks.