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Trigonometry
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OpenStudy (anonymous):
equation sketch x=2cos(t), y=1+sin(t), 0
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OpenStudy (kesumonu):
i think u can take x in [-2 2] which is true for sqrt to exist and can be verified from x=2cos(t) as t is in (0,2pi] x can take values in [-2,2]
OpenStudy (anonymous):
|dw:1351918121880:dw|
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