tjsmoove12 tjsmoove12
  • 19-03-2018
  • Mathematics
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Find all solutions
7 sin2x - 14 sin x + 2 = -5

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fastlillian
fastlillian fastlillian
  • 19-03-2018

sin^2 x = 0

sin x = 0 
The unit circle gives --> x = 0, x=180, and x=360
Answers for (0,360):
0,180,36

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