Sunday

February 1, 2015

February 1, 2015

Posted by **Tori** on Sunday, May 22, 2011 at 10:17pm.

- trig -
**Henry**, Monday, May 23, 2011 at 4:13pmsinA = a/c = 4 / 2sqrt7 = 2 / sqrt7,

Multiply numerator and denominator by

sqrt of 7:

sinA = 2sqrt7 / 7.

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