Solve the equation on the interval 0 ? ? < 2?.tan (2?) - tan ? = 0
A. 0
B. 
, 
, 
, 
, 
, 
, 
C. 0, ?
D. 
, 
Answer: C
Mathematics
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The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(-2, 0)
A. (-2, 180°) B. (2, 180°) C. (2, 270°) D. (2, 90°)
Mathematics
Remove parentheses and simplify the expression.-5.9(10r + 6) + 3.9(10r + 9)
A. -20r + 6 B. -94.4r C. -20r - 0.3 D. 4.1r + 0.1
Mathematics
The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x2 - 2x + 1
A. two real zeros; no imaginary zeros B. one real zero; one imaginary zero C. one real zero; no imaginary zeros D. no real zeros; two imaginary zeros
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Mathematics