WolframAlpha computational knowledge AI
cos(−55.82/180*pi)=(0.6893cos(−7/18*pi)+0.3381sin(−70/180*pi))⋅(0.4206cos f-0.6423sin f/sin(67.33/180*pi))−(−0.6408((0.0533cos(−7/18*pi)+(−0.9057sin(−7/18*pi)))⋅cos f+0.6423sin f/-sin(67.33/180*pi)))