Find (a) sin(?) and cos(?), (b) tan(?) and cot(?), and (c) sec(?) and csc(?). Assume x = 7, y = 9.   (a) sin(?) and cos(?) sin(?) =       cos(?) =       (b) tan(?) and cot(?) tan(?) =       cot(?) =       (c) sec(?) and csc(?) sec(?) =       csc(?) =

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