Question

Which statement is true about the function?

A.
The function is negative on the interval .(n/2,n)
B.
The function is positive on the interval .(3n/4, 5n/4)
C.
The function is positive on the interval .(x/4, 3n/4)
D.
The function is negative on the interval .(5x/4, 7n/4)

Answer 1

Answer:

A

Step-by-step explanation:

During the Interval, pi/2 to pi, the function is below the x axis, so it is negative

Answer 2

Answer:

A. The function is negative on the interval .(n/2,n)

Step-by-step explanation:

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