Find all solutions to the equation. Express the solution in degrees.cos x = -1

A. 180° + 360°n
B. 90° + 360°n or 270° + 360°n
C. 360°n or 180° + 360°n
D. 360°n


Answer: A

Mathematics

You might also like to view...

Solve the problem.Punky went to dinner. Her bill was $18.42, and she left a 20% tip. How much was the tip, rounded to the nearest dollar?

A. $22 B. $4 C. $7 D. $37

Mathematics

Solve the equation.4x2 = (5x - 2)2

A.
B. , - 
C.
D. , - 

Mathematics

Find an equation of variation in which the following are true.y varies jointly as x and z and inversely as the product of w and p, and  when x = 4, z = 7,  and 

A. y = 
B. y = 
C. y = 
D. y = 

Mathematics

Find the quotient. If the quotient is a repeating decimal, write the answer with a bar over the repeating digit or digits.0.4 ÷ 0.02

A. 20 B. 0.02 C. 0.2 D. 2

Mathematics