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Mathematics 8 Online
OpenStudy (anonymous):

The value(s) of x when sin(x) = -1 are x = -90° and 270°? TRUE or FALSE?

OpenStudy (anonymous):

true

OpenStudy (ybarrap):

|dw:1403408115884:dw| But sin(-90) = -1. So Sin(270)=-1. Make sense?

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