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Trigonometry 16 Online
OpenStudy (anonymous):

For what x-value(s) does sin(x) = -1?

OpenStudy (joannablackwelder):

I would use the graph of sin(x) when x is on the x-axis instead of the angle. The one that looks like a heart monitor.

OpenStudy (joannablackwelder):

Look for where y= -1.

OpenStudy (anonymous):

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