Use a product-to-sum identity to rewrite the expression.sin(6t) sin(2t)

A. 0.5(sin(8t) + sin(4t))
B. 0.5(cos(8t) + cos(4t))
C. 0.5(sin(8t) - sin(4t))
D. 0.5(cos(4t) - cos(8t))

Answer: D

Mathematics

You might also like to view...

Use an integer to express the number.In one state, the highest point is 4278 feet above sea level.

A. -4278 B. 4278

View
Mathematics

Solve the matrix equation for X.A = , B = , AX = B

A.

B.

C.

D.

View
Mathematics

Use the line graph to solve the problem.How many more hours were needed to prepare for Test 4 than for Test 3.

A. 2 B. 4 C. 3 D. 1

View
Mathematics

Write as an equivalent addition statement. (Do not evaluate.)14 - (-20)

A. 20 + (-14) B. 14 + 20 C. -20 + (-14) D. 14 + (-20)

View
Mathematics