Asked by jacob

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!

Answers

Answered by Steve
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.
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