Factor the trigonometric expression.sin2x + 4 sin x - 45

A. (sin2 x + 9)(sin x - 5)
B. (sin x - 45)(sin x + 1)
C. (sin x - 9)(sin x + 5)
D. (sin x + 9)(sin x - 5)


Answer: D

Mathematics

You might also like to view...

Graph the circle whose radius is r and whose center is (h, k). r = 2; (h, k) = (0, 1)

A.

B.

C.

D.

Mathematics

Solve. Give your answer as a mixed numeral.June wants to work for 13 hours at her part-time job this week. She has already worked 2 hours. How many more hours does she need to work?

A. 9 hr
B. 10 hr
C. 11 hr
D. 10 hr

Mathematics

Determine if the type of relation is linear, nonlinear, or none.

A. nonlinear B. linear C. none

Mathematics

Graph the indicated new function, given the graph for y = f(x).y = af(x), where a satisfies -1 < a < 0?

A.

B.

C.

D.

Mathematics