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May 29, 2015

Homework Help: trig or geom

Posted by starlight18 on Sunday, March 11, 2012 at 10:38am.

i have to use pythagorean theorem to find the leg-measure of x. in the formula, x would be a^2. the hypotenuse is 11 and "b" is unknown. there is also a cosine with a measure of .4 at the top-most angle.. what is x? i don't know how to use cosine with the problem

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