just look at the graph of sin(x). Clearly, it is defined everywhere, so its domain is all real numbers.
sin(2x) gets to each x value twice as fast, but has exactly the same domain: all real numbers.
Find the domain of the variable x for which the following equations determine y as a real function of x.
If G(x)= sin 2x, find G(0),G(1/4 pie),and G(7/8 pie)
can someone help me please!
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