Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
Mathematics
You might also like to view...
Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: cone x2 + y2 - z2 = 0 between z = 1 and z = 3Density: constant
A. 
B. 
C. 
D. 
Mathematics
Find the vertices and foci of the ellipse.16x2 + 121y2 = 1936
A. Vertices: (±11, 0); Foci: (±
, 0)
B. Vertices: (0, ±4); Foci (0, ±
)
C. Vertices: (±4, 0); Foci: (±
, 0)
D. Vertices: (0, ±11); Foci (0, ±
)
Mathematics
Find the limit.
A. 
B. 1
C. 2
D. 0
Mathematics
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
, 
A. Equivalent
B. 
, 
C. 
, 
Mathematics