Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of sin
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Convert the angle to a decimal in degrees. Round the answer to two decimal places.23°47'37''
A. 23.94° B. 23.52° C. 23.79° D. 23.84°
Mathematics
The lengths of sides for a regular pentagon are 6 inches each. To the nearest tenth of an inch, find the length of the radius of the pentagon.
A. 4.1 in B. 4.7 in C. 4.9 in D. 5.1 in
Mathematics
Describe and graph the interval of real numbers.-3 < x ? 6
What will be an ideal response?
Mathematics
Eliminate the parameter to obtain a Cartesian equation of the curve.x = 2 + sec t, y = 5 + 2 tan t, 0 < t < 
A. (x - 2)2 - (y - 5)2 = 4, -? < x < ?
B. (x - 2)2 + 
= 1, 1 ? x ? 3
C. (y - 2)2 - 
= 1, -? < x < ?
D. (x - 2)2 - 
= 1, x > 3
Mathematics