Solve the problem.Under certain conditions the x- and y- components of a magnetic file B area given by the equations
,where k is a constant. Write these equations in terms of polar coordinates.
A. Bx = k sin2 ?, By = -k cos2 ?
B. Bx = 
, By = - 
C. Bx = k cos2 ?, By = -k sin2 ?
D. Bx = 
, By = 
Answer: C
Mathematics
You might also like to view...
Evaluate each expression without using a calculator. Give the result in degrees.sin-1 
A. 60° B. 45° C. 135° D. 120°
Mathematics
Decide if the situation is a permutation or a combination and then answer the question.If the police have 7 suspects, how many different ways can they select 5 for a lineup?
A. Combination; 35 B. Combination; 21 C. Permutation; 2520 D. Permutation; 42
Mathematics
Solve the equation.
= x - 3
A. {6} B. {1, 13} C. {6, 13} D. {1, 6}
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 6 B. -2x C. 5x D. 6x2
Mathematics