Evaluate the indicated function with the given information.Find cos 2x if sin x = 0.5 (in first quadrant).

A.
B.
C. 1
D.


Answer: B

Mathematics

You might also like to view...

Write the exponential expression below in simplest form. ?  

A.
B.
C.
D. ?
E.

Mathematics

Write the equation of the line with the given conditions.passing through (5, 2) and parallel to the line with equation 2x + y = 4

A. y = 2x - 12
B. y = - 2x - 12
C. y = - x - 6
D. y = - 2x + 12

Mathematics

Solve the problem.A bakery sold 52 pies for $4.17 each. What was the total amount of the sale?

A. $216.84 B. $217.94 C. $216.94 D. $206.94

Mathematics

Name the quadrant in which the point is located. (-2, 5)

A) I B) II C) IV D) III

Mathematics