Question
Solve for x in the interval 0<=x<360:
1. 2sin2x+cosx =0
2. cos2x=-2sinx
3. tanx=2sinx
4. 3cos2x+cosx+2=0
1. 2sin2x+cosx =0
2. cos2x=-2sinx
3. tanx=2sinx
4. 3cos2x+cosx+2=0
Answers
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