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Mathematics 13 Online
OpenStudy (howard-wolowitz):

Explanation about this sin and cos problem

OpenStudy (freckles):

|dw:1431799551187:dw| find the hyp of that triangle

OpenStudy (freckles):

do you know Pythagorean theorem ?

OpenStudy (howard-wolowitz):

I know its either 5/2 or 2/5

OpenStudy (freckles):

that is a right triangle I drew have you ever seen if you have this |dw:1431799676243:dw| then you have a^2+b^2=c^2

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