SaykarW7arteenriggs SaykarW7arteenriggs
  • 03-12-2016
  • Mathematics
contestada

4sin(x)−4=0
solve for x

Respuesta :

jimthompson5910 jimthompson5910
  • 03-12-2016
First let's isolate the sin(x) term

4sin(x) - 4 = 0

4sin(x) = 4

sin(x) = 1

Now use the unit circle and you'll see that the only solution in the interval [0,2pi) is x = pi/2

If you want to ignore the restriction and consider all solutions, then x = (pi/2) + 2pi*n where n is any integer
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