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A, B, C

Geometry Level 3

In right angled triangle \(ABC\), \(\angle ACB=90^\circ\) . If \(2\tan A = \sin B\) , what does \(\sin A\) equal?

\[\cos 30^\circ\] \[\tan 60^\circ - 1\] \[2 (\sin 60^\circ - \cos 45^\circ)\] \[2\cos 45^\circ - \sin 90^\circ\]

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by Sensen Liong

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