kalyeeann6023 kalyeeann6023

07-04-2021
Mathematics

contestada

Simplify the expression: cos (7x) cos (4x) + sin (7x) sin (4x).

Its either

cos(11x)

cos(3x)

sin(11x)

sin(3x)

The ANSWER IS COS(3X)

Respuesta :

maybristolhart maybristolhart

07-04-2021

Answer:

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Step-by-step explanation:

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