Questions asked by marion

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• Can you solve (sintheta) (cottheta) - cos^2theta = 0 ?
  
• Can you solve tantheta - cottheta = 0 over [0, 2pi) ?
  
• Can you solve 9sin^2theta - 6sintheta = 1 over [0 degree, 360 degrees) ?
  
• Can you solve cos 2x + cosx = 0 ?
  
• Can you graph?