Use the unit circle and any appropriate relationship among the trigonometric functions to find the value.cos 

A.
B. - 
C. Undefined
D. - 


Answer: B

Mathematics

You might also like to view...

Find the slope of the polar curve at the indicated point.r = -2 + 5 cos ?, ? = 

A.
B.
C.
D.

Mathematics

Find the vertex and axis of symmetry of the graph of the function.f(x) = -6x2 - 2x - 12

A. (6, -12); x = 6
B. ; x = 
C. ; x = - 
D. ; x = -6

Mathematics

Find the intercepts of the graph of the function.f(x) = x3 + x2 - 12x

A. (2, 0), (3, 0) B. (0, 0), (-4, 0), (3, 0) C. (-4, 0), (3, 0) D. (0, 0), (2, 0), (3, 0)

Mathematics

Solve the problem.A piece of cheese weighing  pound is to be divided into 10 equal portions. What will be the weight of each portion?

A.  pound
B. 2 pound(s)
C. 45 pounds
D.  pound(s)

Mathematics