Can someone please help me find the angles I have attached everything needed:

Law of Tangents: -B. a-b tan atb A+ tan Image by Robert Franz, Created for CCCOnline, 2018 Instructions In the lab, we are going to going to create two triangles with string inside of a doorway (shown in the figure below). We are going to use these triangles to verify the Trigonometric relationships shown above. B C C A Image by Robert Franz, Created for CCCOnline, 2018The following identities have been found to be true for any plain triangle. Law of Sines: sin(A) sin (B) sin(C) a Image by Robert Franz, Created for CCCOnline, 2018 Law of Cosines: a? = b2 + c2 - 2 b c cos(A) b2 = a2 + c2 - 2 a c cos(B) c2 = a2 + 2 - 2 a b cos(C) Image by Robert Franz, Created for CCCOnline, 2018