Equivalent Trigonometric Expressions - University of Waterloo

-11/2 Sill (x cos 311/2 The graphs of these two functions appear to be identical; however, the domain of each function is not the same The domain of g(x) = sin(x) + cos(x) IS {x I x e IR}. 1 + cot(x) From our discussion of the non-permissible values, we know that the domain of f(x) CSC must be {x x n7r,x e R, n e Z} ................
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