WolframAlpha computational knowledge AI
cos(−55.82)=(0.6893cos(−70)+0.3381sin(−70))⋅(0.4206cos f-0.6423sin f/sin67.33)−(−0.6408((0.0533cos(−70)+(−0.9057sin(−70)))⋅cos f+0.6423sin f/-sin67.33))