Use the fundamental identities to simplify the expression.

A. sec2?
B. sin ?
C. tan2?
D. cos3?

Answer: B

Mathematics

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A. 03 = 1 B. 10 = 3 C. 31 = 0 D. 30 = 1

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Multiply. Write the answer in simplest form. ? 

A.
B.
C.
D.

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

A.
B.
C.
D. - 

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Find the exact distance between the points (-9, -15) and (-14, -23).

a.
b.
c.
d.

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