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Discover Questions

What is the maximum number of electrons that can be held in the first electron energy level of an atom? In the second energy level? Verify the identity: cosx = 1 - tan^2 x/2 // 1 + tan^2 x/2 Complex fraction!? Verify the identity: sin(x+y) / cos (x-y) = cotx + coty / 1 + cotx coty? Pure substance what is? Find sec(pi/8)?

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