Simplify the expression by rationalizing the denominator.
A. 
B. 
C. 
D. 1
Answer: C
You might also like to view...
Use the fundamental identities and the given information to find the exact values of the remaining trigonometric functions of x.cos x = 
and sin x = - 
A. tan x = - 
, csc x = - 
, sec x = 
, cot x = - 
B. tan x = - 
, csc x = 
, sec x = - 
, cot x = - 
C. tan x = - 
, csc x = - 
, sec x = 
, cot x = - 
D. tan x = - 
, csc x = 
, sec x = - 
, cot x = 
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix is perpendicular to the polar axis at a distance 3 units to the left of the pole
B. hyperbola, directrix is perpendicular to the polar axis at a distance 
units to the left of the pole
C. hyperbola, directrix is perpendicular to the polar axis at a distance 3 units to the right of the pole
D. ellipse, directrix is perpendicular to the polar axis at a distance 
units to the right of the pole
Simplify the expression.|-15|
A. 0 B. 15 C. -15 D. 30
Do the graphs intersect in the given viewing rectangle? If they do, how many points of intersection are there?
 figure 1.png)