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Mathematics 21 Online
OpenStudy (anonymous):

If AB = 15, BC = 12, and CA = 8, list the angles of ABC in order from smallest to largest.

OpenStudy (anonymous):

What have you done so far ?

OpenStudy (anonymous):

Nothing I dont understand.

OpenStudy (anonymous):

Do you know how to use trigonometry ?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

Well, then it'll be hard for you to solve it. Setup it up like this: http://prntscr.com/2m6r18

OpenStudy (anonymous):

do you know how to use sin(x) and cos(x) and tan(x) ?

OpenStudy (anonymous):

Did you get any futher

OpenStudy (anonymous):

You just gotta plug in the right things, here's your answer: http://prntscr.com/2m718c

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