Use an identity to write the expression as a single trigonometric function or as a single number.4 sin 2x cos 2x
A. 2 sin 4x
B. 
sin 16x
C. cos 8x
D. cos 4x
Answer: A
You might also like to view...
Establish the identity.sin3 x cos2 x = sin x (cos2 x - cos4 x)
What will be an ideal response?
Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. dependent B. solution C. consistent D. substitution
Solve. Remember to insert units when writing your answer.A bottle weighs 300 grams. Find the weight in kilograms of 48 bottles.
A. 14,400,000 kg B. 14.4 kg C. 144 kg D. 14,400 kg
Solve the problem.A job pays a salary of 24,000 the first year. During the next 5 years, the salary increases by 4% each year. What is the salary for the 6th year? What is the total salary over the 6-year period? (Round to the nearest cent.)
A. $29,199.67; $159,191.41 B. $30,367.66; $130,016.74 C. $30,367.66; $189,559.07 D. $29,199.67; $129,991.74