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
Mathematics