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

c) If you are at foreign country visit, which banking card would you prefer to keep with you during visit (Debit Card or Credit Card)? Why?
How many terms are there in the following expression? x - 5 + 16x + 4 - 2x - 3
Sir Francis Drake died while attacking a Spanish gold ship. True False
what's the answer show full explanation wrong ones are gonna get reported ​
Please help me school ends tomorrow Which scenario describes a transfer of mechanical energy to heat and sound energy? Question 7 options: A) a plant using en
Answer Please.......​
Factor the polynomial by grouping: 12x^3-28x^2-15x+35
Find the value of x A.) 46 B.)31 C.)52 D.)107
!!! PLEASE HELP ME !!!
Select all equations that correctly really a decimal to a fraction or mix number