



 
Hi San. The equation is almost already in the form y = asinx + b. y is zero, b is square root of 3, and a is 2. Since y is zero, can you identify where on a graph y is equal to zero? When the curve crosses the xaxis, y is equal to zero. So at each place where the graph crosses the xaxis, the value of x is a solution of the equation you wrote. Cheers,  


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