a B с What is the value of cos(a)? b Description of image (in case it has trouble loading): A right triangle has acute angles a and B. The side opposite a is a, the side opposite ß is b, and the hypotenuse is c. If you cannot see the image, you may try viewing it at an external UCSD website. Suppose that a = 2, b=3, and α C = √13

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