3 years ago

Simplify sin(3pi minus x)

Mathematics

1 answer:

Slav-nsk [51]3 years ago

8 0

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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