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Mathematics 9 Online
OpenStudy (anonymous):

PLEASE HELP WILL GIVE MEDAL Explain why the trigonometric ratios are only for the acute angles in a right triangle

razor99 (razor99):

A^2=B^2+C^2 that one rite

razor99 (razor99):

|dw:1417576441909:dw|

OpenStudy (anonymous):

the trig ratios are like sine cosine and tangent and im supposed to explain why they are only for the acute angles in a right triangle

razor99 (razor99):

ohhh the cosine rite

OpenStudy (anonymous):

no like your supposed to say why you only use them for the two angles that aren't 90 in a right triangle

razor99 (razor99):

http://www.purplemath.com/modules/basira

razor99 (razor99):

this might help ya

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