Complete the identity. = ?

A. cot ? - 1
B. cos ? - sin ?
C. cot ? + tan ?
D. cos ? + sin ?


Answer: C

Mathematics

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Find the approximate value of the expression, rounded to four decimal places.tan 47.4°

A. -0.9621 B. 0.6769 C. 1.0875 D. 0.7361

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Use the integral test to determine whether the series converges.

A. diverges B. converges

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Solve.-5 = z - 7.9

A. 12.9 B. -12.9 C. 2.9 D. -2.9

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Solve the problem.Add (n7 - 5) to the difference between (6n6 + 19n4 + 19) and 

A. n7 + 4n6 + 21n4 + 31  B. 13n10 C. n7 + 4n6 + 12n4 - 3  D. n7 + 4n6 + 12n4 + 31

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