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OpenStudy (anonymous):
For what x-value(s) does sin(x) = -1?
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OpenStudy (anonymous):
\[\sin^{-1} (-1) = -\frac{ \pi }{ 2 }\]
OpenStudy (anonymous):
how would i find this?
OpenStudy (anonymous):
Either by using a calculator set to radian mode or memorize the unit circle. It's just a question of knowing your trig identities.
OpenStudy (anonymous):
ok sweet! thanks so much
OpenStudy (anonymous):
No prob, good luck!
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OpenStudy (raden):
x = 270 degrees is correct too
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