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

when an experiment shows that one variable makes another variable change, and no other variables have any effect, the experiment shows ____. a. causation b. cor

Daniel’s doctor is trying to determine the cause of his recent onset of asthma symptoms. of the information daniel provided, which would his doctor find most he

Read this story summary: A young boy constantly tricks the people in his town into believing a wolf is attacking him and his flock of sheep. When a wolf actuall

There are (26)3 ⋅ 20 bacteria in a sample. What is the total number of bacteria in the sample?

the midpoint p of line segment joining the points A (-10,4) B (-2,0)liea on the line segment joining the points C (-9,-4)D (-4,y ) find the ratio in which Pdivi

Why is it important to understand how / why elements form ionic compounds?

Families of functions

HIJK is a parallelogram because the midpoint of both diagonals is ____ which means the diagonals bisect each other. A. (1,-1) B. (1,1) C. (1,0) D. (0,1) HELP Q

why do people sleep and what are (sleep kind of) dreams and how are they made?

Why did native americans come to minnesota??