You can put this solution on YOUR website! tanx sinx+sinX=o
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tan(x)*sin(x) + sin(x) = 0 Are you too busy to try to make sense?
sin(x)*(tan(x) + 1) = 0
sin(x) = 0
x = 0 + n*pi, n = 0,1,2,3...
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tan(x) + 1 = 0
tan(x) = -1
x = 3pi/4 + n*pi, n = 0,1,2,3...