toriwebster308 toriwebster308
  • 14-07-2017
  • Mathematics
contestada

Solve 2 cos theta + 2 = 3 in the interval from 0 to 2pi. Round to the nearest hundredth.

Respuesta :

RickyChen
RickyChen RickyChen
  • 14-07-2017
2cos theta = 1 -> cos theta = 1/2

Then theta = pi/3 + 2npi or -pi/3 + 2npi, where n is random interger

And the domain is restricted in [0,2pi]

So answer will be pi/3 or 5pi/3
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