Use the quotient rule to simplify.
A. 5x
B. 5x
C. x
D. 5x
Answer: A
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Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. cos ? = 0.759
A. 41° B. 69.0° C. 41.0° D. 69°
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos(2?).
A. 
B. - 
C. 
D. - 
Determine which fractions are improper.
, 
, 
, 
, 
A. 
, 
, 
B. 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
, 
Solve the problem.The position of a weight on a spring relative to the point of equilibrium is given byy = 4 cos 6t - 2 sin 6t,where the arguments are in radians and t is in seconds. Find the smallest value of t for which the weight is at the point of equilibrium 
Give your answer to the nearest hundredth.
A. 0.22 B. 0.13 C. 0.18 D. 0.08