lilliangood lilliangood

04-03-2021
Mathematics

contestada

Write the sum as a product.
sin(x)-sin(4x)

Respuesta :

Krystal3375 Krystal3375

04-03-2021

Step-by-step explanation:

Given

sin(x) - sin(4x)

= 2 cos (( x + 4x)/2) * sin ( ( x - 4x) / 2))

= 2 cos 5x/2 • sin -3x / 2

= - 2 cos 5x/2 • sin 3x/2

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