Asked by Lilliana
Find the solutions of the equation.
2sinx+cosx=0
2sinx+cosx=0
Answers
Answered by
Steve
2sinx + cosx = 0
2sinx = -cosx
tanx = -1/2
Now you know there will be two solutions, in QII and QIV
2sinx = -cosx
tanx = -1/2
Now you know there will be two solutions, in QII and QIV
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