Solve the equation on the interval 0 ? ? < 2?.2 cos2 ? - 3 cos ? + 1 = 0
A. 0, 
, 
B. 0, 
, 
C. 0, 
, 
D. 
, 
, 
Answer: C
Mathematics
You might also like to view...
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 36
B. 9
C. 
D. 18
Mathematics
Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. xy
B. 
C. xy4
D. x
Mathematics
Find all solutions.x3 + 6x2 + 4x + 24 = 0
A. {-6} B. {-2, 2, -6} C. {6} D. no real solution
Mathematics
Find the perimeter of the polygon. You may first need to find the measures of the unknown sides. Assume that all angles are right angles. The polygon is not drawn to scale.
A. 64.54 m B. 68.54 m C. 76.27 m D. 68.27 m
Mathematics