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Mathematics 9 Online
OpenStudy (kdr1308):

Can someone help me with DEPRECATED Trigonometry? I think I found out how to solve those angular problems, but I'm not quite sure

OpenStudy (kdr1308):

OpenStudy (kdr1308):

Sin = opposite over hypotenuse, correct? so it would be AC over AB?

OpenStudy (anonymous):

you are right

OpenStudy (anonymous):

i have never heard of "depreciated" trigonometry before what does that mean?

OpenStudy (kdr1308):

Oh.. it was just the name on the course... I go through khan academy when I'm having a bit of struggle on the course... https://www.khanacademy.org/partner-content/nasa/measuringuniverse/measure_the_solarsystem/a/a-flat-earth

OpenStudy (mathmale):

What's the numerical value of your "AC over AB?"

OpenStudy (kdr1308):

I got \[5 \over 13\] because the opposite was AC = 5 and my adjacent was BC = 12

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