Use identities to simplify the expression. Do not use a calculator.
A. cos 15°
B. cot 15°
C. tan 15°
D. sin 15°
Answer: C
Mathematics
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Find the sum.-23 + [23 + (-3)]
A. -3 B. 43 C. 49 D. 3
Mathematics
Sketch the graph of the function.y = 3 sin 3x - 3 cos 2x
A. 
B. 
C. 
D. 
Mathematics
Find only the rational zeros.f(x) = x6 + 1
A. 1, -1
B. 1, -1, 
, - 
C. 1, -1, 
, - 
, 
, - 
D. No rational zeros
Mathematics
Solve the problem.If $900,000 is to be saved over 25 years, how much should be deposited monthly if the investment earns 6% interest compounded monthly?
A. $951.46 B. $819.61 C. $1108.95 D. $1298.71
Mathematics