Find the exact value under the given conditions.Given sin ? = - , with ? in quadrant IV, and tan ? = - , with ? in quadrant II. Find cos (? + ?).

A. - 
B.
C.
D.


Answer: D

Mathematics

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Select the graph of f and f-1 on the same set of coordinate axes. ?   f(x) = 2x - 3 ?

A.
B.
C.
D.
E. ?

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