Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the LCD. Do not combine fractions.
, 
A. 3ab B. a2b2 C. 4a2b2 D. 3a2b2
Mathematics
Evaluate the derivative.f'(3) if f'(x) = 
A. - 1
B. - 
C. 
D. - 2
Mathematics
Establish the identity.cos4 x = 
(3 + 4 cos(2x) + cos (4x))
What will be an ideal response?
Mathematics
Solve the problem.A cyclist bikes at a constant speed for 19 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 24 miles. Find his speed.
A. 7 mph B. 4 mph C. 5 mph D. 6 mph
Mathematics