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Mathematics 19 Online
OpenStudy (rice):

If: sinθ=-1/2 and 180°≤θ≤270°, then θ= ?

ganeshie8 (ganeshie8):

Imagine you're a little ant travelling on below circle : |dw:1467699261597:dw|

ganeshie8 (ganeshie8):

Also assume the radius of that circle is 1

ganeshie8 (ganeshie8):

|dw:1467699404259:dw|

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