mermaids101 mermaids101

12-07-2017
Mathematics

contestada

Verify the identity.

sin (x + y) - sin (x - y) = 2 cos x sin y

Relax

Respuesta :

paganconnor2004 paganconnor2004

12-03-2021

Answer:

Step-by-step explanation:

Sin (x + y) = sin x cos y + sin y cos x

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