Determine if the function is even, odd, or neither.f(t) = cos2t
A. odd
B. even
C. neither
D. both even and odd
Answer: B
Mathematics
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Find average for each set of numbers.377, 803, 768, 824
A. 743 B. 693 C. 717 D. 593
Mathematics
Plot the complex number.5i
A. 
B. 
C. 
D. 
Mathematics
Let ? be an acute angle. Find the unknown trigonometric value using the given information.csc ? if sin ? = -0.109
A. 4.587 B. 9.174 C. -9.174 D. -4.587
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.6
÷ 
A. - 1
B. 1
C. 1
D. - 1
Mathematics