c^2 = a^2 + b^2 - 2 a b cos(γ) | | c | third side length a | first side length b | second side length γ | angle opposite third side

first side length | 7 second side length | 6 angle opposite third side | 75.5° (degrees)

third side length | 7.998 angle opposite first side | 1.011 radians = 0.001011 krad (kiloradians) = 57.92° (degrees) angle opposite second side | 812.9 mrad (milliradians) = 46.58° (degrees) = 46 degrees 34 arcminutes 35.12 arcseconds