Problem : Solve the following equation: sin(x)tan(x) = 0 .
Problem : Solve the following equation: cos(x) - tan2(x) = 1 .
Problem : Solve the following equation: sin2(x) - 1 = cos2(x) + 2 .
Problem : Solve the following equation: 2 sec(x)sin3(x) = cos(x)tan2(x) .
Problem : Solve the following equation: sin(x) + sin(x)cot2(x) = sec2(x) - tan2(x) .
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