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September 20, 2014

September 20, 2014

Posted by **aziza** on Tuesday, January 25, 2011 at 10:42am.

- trig -
**Reiny**, Tuesday, January 25, 2011 at 12:04pmsinØ - 1/2 = 0

sinØ = 1/2

so Ø is in quadrants I or II

we know sin 30° = 1/2

so Ø = 30° or 150° , ( π/6 or 5π/6 radians)

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