Mathematics, 26.10.2019 16:43 ilovejustinbieber42
Prove that cos(a-b) - cos(a+b) = 2sina sinb
Answers: 3
Mathematics, 21.06.2019 17:00, maryjane8872
Which point lies on a circle with a radius of 5 units and center at p(6, 1)?
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Mathematics, 21.06.2019 20:30, shonesam98
Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters
Answers: 1
Prove that cos(a-b) - cos(a+b) = 2sina sinb...
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