kasubr kasubr
  • 17-05-2017
  • Mathematics
contestada

if sin x = 0.5 what is the value of cos X?
round the value to the nearest thousandth

Respuesta :

conrad4
conrad4 conrad4
  • 17-05-2017
cos(arcsin(0.5)) = 0.866
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Luv2Teach
Luv2Teach Luv2Teach
  • 17-05-2017
Use the inverse button on your calculator in degree mode for this.  Inverse sin of .5 gives you an x value of 30 (30 degree angle, that is).  Now find the cos(30) and round.  cos(30) = .866
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