Use a half-angle formula to find the exact value of the expression.sin 
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Evaluate the expression using logarithms. Round to the nearest tenth.4.7 
A. 18,343.5 B. 4.1 C. 38.0 D. 1.6
Mathematics
Find the value of the limit for the sequence given. Select the correct answer.
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Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Find the sum, regrouping when necessary.
A. 1225 B. 1314 C. 924 D. 1326
Mathematics