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15-07-2021
Mathematics

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Which expression is equivalent to sin(20°)cos(80°) – cos(20°)sin(80°)?
A) sin(-60)
B) cos(-60)
C) cos(60)
D) sin(60)

Respuesta :

khumac2019 khumac2019

26-07-2021

Answer:

sin(-60)

Step-by-step explanation:

its in form of sin(A-B) which formula is SinA.CosB-CosAsinB

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