magalyrodette9058 magalyrodette9058
  • 02-03-2018
  • Mathematics
contestada

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

Respuesta :

nikita83
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

This isn't school wise but like.. I can't log into IMessage so I decided to try and log into FaceTime but thats not working. Cause it goes on the log in page, b
Simplify the expression. ​(2+i)(6+8i)
A person is walking 3 miles per hour. What is their rate in feet per second?
Adele is 5 years older than Timothy. In three years, Timothy will be 2/3 of Adele’s age. What is Adele’s current age?
South America's most populous city is located in which country?
What is the meaning of the root word “phil?”
Need help solving for L
I really need help for this math problem
somebody plz help!!!!!!!!!!!!!
What is the difference between a liquid, a solution,and water?