Divide by sin(x) and take the arctangent of both sides.

Sin(x)*tan(x) = sin(x)

tan(x) = 1

x = arctangent(1) = 45 degrees

Sin(x)*tan(x) = sin(x)

tan(x) = 1

x = arctangent(1) = 45 degrees

Sin(x)*tan(x) = sin(x)

tan(x) = 1

x = arctangent(1) = 45 degrees

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