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For how many values of n with 0 <= n <= 100 is the graph of f(x) = sin(2x + n) identical to the graph of g(x) = cos(2x)?

 Jul 10, 2021
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sine(x + pi/2) = cos(x)

In this problem, we can ignore the 2x. 

Since the functions have a period of 2pi, n = 2pi*x + pi/2, how many integer x values make n inbetween 0 and 100?

 

=^._.^=

 Jul 10, 2021

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