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Mathematics 11 Online
OpenStudy (anonymous):

Find the cosine of angle A. is it 5/12? http://i729.photobucket.com/albums/ww292/akatushi101/A2_51_Quiz_triangle_2.gif

OpenStudy (anonymous):

Remember the hypotenuse is opposite of the 90 degree angle.. so cos of angle A would be 5/13

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