Question

3sinx=√3cosx then sin2x=?

Answer 1

sin2x =
$\sqrt{3 } \div 2$

Answer 2

Sinx/Cosx = √3/3

Tanx = 1/√3

Tanx= Tan30°

x=30°
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Sin(2×30°)

Sin60°

=√3/2
$\frac{ \sqrt{3} }{2}$