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

Why did Elwood get into a fight?​
Melamine (C3N3(NH2)3) is a component of many adhesives and resins and is manufactured in a two-step process from urea (CO(NH2)2) as the sole starting material.
"Juana, considering the matter, threw caution to the winds." Pls bold the verbal phrase in this sentence and identify it as a gerund phrase, infinitive phrase,
What is |9| a -18 b -9 c 9 d 18
The French were motivated to colonize North America due to
what describes a region?​
Read the excerpt from Anne Frank: The Diary of a Young Girl. Lots of boys in our class were keen on me--I thought it was fun, felt honored, but was otherwise qu
what are 3 main difference between prairie and domestic dogs PLZ HELP 10 POINTS
Can someone help me with this PLEASE! ASAP
State the two factors on which the mass of an object depend​