Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.cos ? = - 

A. 60° and 120°
B. 210° and 330°
C. 150° and 210°
D. 60° and 300°


Answer: C

Mathematics

You might also like to view...

Use the relative frequency method to estimate the probability. Round your answer to 2 decimal places when necessary.Every week, Joe plays chess with his father. Of the last 50 games, Joe has won 63% of the games. What is the probability that Joe will win the next game?

A. 0.63 B. 0.063 C. 1 D. 0.5

Mathematics

Solve. Write the solution set using set-builder notation and using interval notation. Graph the solution set. x + 1 < 12

A. {xx ? 11}; [11, ?)

B. {xx < 11}; (-?, 11)

C. {xx ? 11}; (-?, 11]

D. {xx > 11}; (11, ?)

Mathematics

Graph the inequality.y ? 2x

A.

B.

C.

D.

Mathematics

Solve the formula for the specified variable.7x + 10y = 19 for y

A. y = x + 
B. y = -x + 
C. y = 7x - 19
D. - 7x - 10y = -19

Mathematics