Use the fundamental identities to simplify the expression.
A. tan2?
B. sec2?
C. sin ?
D. cos3?
Answer: C
Mathematics
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Solve the problem.If a 2% charge is added to the annual premium of $1576.90 when payments are made semiannually, how much would semiannual payments be?
A. $420.01 B. $1576.90 C. $716.04 D. $804.22
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Solve the problem.If cos ? = - 
, and ? terminates in quadrant II, then find cos 2?.
A. 
B. 
C. - 
D. - 
Mathematics
Choose the ordered pair which is a solution of the inequality.2x + 3y ? 0
A. (-1, 1)
B. (1, -1)
C. (1, 1)
D. 
Mathematics
Divide. Write the quotient in lowest terms.
÷ -5
A. - 
B. - 
C. 
D. - 
Mathematics