Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
A. csc x
B. sin x
C. sec x
D. cos x
Answer: A
Mathematics
You might also like to view...
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, 25), (16, 0); F: (0, 5), (4, 0) B. V: (0, -5), (0, 5); F: (0, - 3) and (0, 3) C. V: (0, -25), (0, 25); F: (0, -5), (0, 5) D. V: (-5, 0), (5, 0) F: (- 3, 0), (3, 0)
Mathematics
Solve the quadratic equation by factoring.y2 + 5y = -4
A. y = 1 or y = -4 B. y = 4 or y = 1 C. y = -1 or y = -4 D. y = -1 or y = 4
Mathematics
Use an integer to express the number.In one state, the highest point is 4143 feet above sea level.
A. -4143 B. 4143
Mathematics
Evaluate 
for the matrix 
.
A. ?7
B. ?-21
C. ?
D. ?
E. ?-7
Mathematics