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January 30, 2015

January 30, 2015

Posted by **Lisa** on Tuesday, April 17, 2012 at 8:00am.

- Trig -
**Reiny**, Tuesday, April 17, 2012 at 8:59amLisa, saw that one last night,

confused about the angle 'a'

in xcosa and xsina.

secondly where does x come in ?

describe your triangle.

I have a triangle with sides a and b and Ø as its contained angle.

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