magalyrodette9058 magalyrodette9058

02-03-2018
Mathematics

contestada

Write the expression in terms of sine only sin 9x cos 9x

Respuesta :

nikita83 nikita83

02-03-2018

[tex]\sin 2\alpha= 2\sin \alpha\cos\alpha\quad\Rightarrow\quad\sin 9x\cos 9x=\frac{1}{2}\sin 18x[/tex]

Answer Link

Otras preguntas

During the first year of operations, a company sold $115,000 of goods to customers and received $97,500 in cash from customers. The remainder is owed to the com

20 times what equals 180

How did the events of the French Revolution impact the development of political parties in the U.S? A. It strengthened democratic-Republican control of the cour

2. Solve. Draw a number bond for each set. 6 + 4 = 3+7= 4 + 6 = 7 + 3 = 10 - 4 = 10 - 7= 10 -6 = 10 - 3 = 3. Solve. 10 = 7+ 10 = PINIITRI 10 = 3 + 10 = __4 10 =

who was the queen of England in 1642

Which of the following are characteristics of a new manager having poor time management skills?Maintaining and updating records.Keeping a schedule for events, m

The ratio of green pepper plants to red pepper plants in Adelins garden is 3 to 5. If there are 20 red peppers plants, how many green pepper plants are there?

1.2 solving equations by adding or subtracting 1.1=m -0.9

-25 Points- If P=(3,1) and Q=(-3,-7), find the equation of the circle that has segment PQ as a diameter.

A line that gives viewers the impression that they are seeing a line where there is not a continuous mark is ______________.