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    solve for 0<x<180
    5cos2x - 2sin2x = 0
    to 1dp
    i have no idea how to do these questions please help if you can
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    Divide everything by cos2x. Then rearrange to get tan2x on its own. Then inverse tan to find 2x. Divide by 2 to get one value. Add 180 to the 2x value and divide by two to get the other value
 
 
 
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Updated: February 6, 2017
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