Math
posted by Jim .
((4sin(atan(4/3))4sin(0)))(3cos(atan(4/3))(3cos(0)))+((3cos(pi/2)(3cos(atan(4/3))))(4sin(pi/2)4sin(atan(4/3))))+((3cos(4pi/5)(3cos(pi/2)))(4sin(4pi/5)4sin(pi/2)))
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