ally5599 ally5599
  • 02-04-2017
  • Mathematics
contestada

write the product cos(2x)sin(5x) as a sum

Respuesta :

jdoe0001 jdoe0001
  • 02-04-2017
come on now, check your book on the "product to sum" identities

[tex]\bf cos({{ \alpha}})sin({{ \beta}})=\cfrac{1}{2}[sin({{ \alpha}}+{{ \beta}})\quad -\quad sin({{ \alpha}}-{{ \beta}})][/tex]
Answer Link

Otras preguntas

what is the meaning of fiction
Which event occurs first? Zeus and Ares assist Thebes. Polyneices leads the rebel army against Thebes. The rebels retreat. Thebes conquers the rebels.
how do you get from one number to the next using multiplacation or division? Exp: 100 to 106
how roman emperors came to replace the Roman republic
How to get best grades in ielts exam?
What is the answer to this problem
help please1. Cyrus the Great was a powerful leader. His subjects rarely rebelled against him. Based on what you know about him, why do you think this was the c
A reaction produced 37.5 L of oxygen gas at 307 K and 1.25 atm. How many moles of oxygen were produced?
If a=4 and b=5, what is the value of the following expression? 3 (a+3b)-4
Solve for x please.