Evaluate the expression.cos 0° - 3 sin 90°

A. -3
B. -2
C. 0
D. 1


Answer: B

Mathematics

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Provide an appropriate response.Determine whether the sequence is arithmetic, geometric, or neither. If the sentence is geometric, find the common ratio r. If the sequence is arithmetic, find the common difference d.4, , . . .

A. geometric, r = 
B. neither
C. arithmetic, d = 
D. geometric, r = 

Mathematics

Perform the indicated operations in the proper order.

A. 1
B. 4
C. - 1
D.

Mathematics

What is the side opposite ?A?

Mathematics

Convert the angle from radians to degrees.

A. 160° B. 135° C. 240?° D. 270°

Mathematics