Find the polar coordinates of the point(s) of intersection of the given curves for 0 ? ? < 2?.r = 6 cos ?, r = -1 + 4 cos ?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: A
Mathematics
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Determine whether the statement is true or false.For any odd natural number n: If you square the nth term of the Lucas sequence and add 2 you will obtain the (2n)th term of the Lucas sequence.
A. True B. False
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Find the sum of the series.
A. 
B. 
C. 
D. 
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A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(3, 4) Find cos ?.
A. 
B. 
C. 
D. 
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Solve the problem.An arch in the form of a semiellipse is 52 ft wide at the base and has a height of 20 ft. How wide is the arch at a height of 12 ft above the base?
A. 41.6 ft B. 35.5 ft C. 20.8 ft D. 17.7 ft
Mathematics