sarahxtramail sarahxtramail
  • 24-04-2020
  • Mathematics
contestada

Simplify sin(3pi minus x)

Respuesta :

ghanami
ghanami ghanami
  • 27-04-2020

Answer:

sinx

Step-by-step explanation:

hello :

note :

for all x in ℝ :   1) sin(x+2π) = sinx        2)  sin(π-x) = sinx

in this exercice :

3π - x = 2π+(π - x)

sin(3π - x) = sin(2π +(π - x)) =sin(π-x) = sinx

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