Mathematics, 05.01.2021 05:50 st23pgardner

If Sine (x) = two-fifths and tan(x) > 0, what is sin(2x)? StartFraction 2 StartRoot 21 EndRoot Over 25 EndFraction
StartFraction 4 StartRoot 21 EndRoot Over 25 EndFraction
StartFraction 2 StartRoot 21 EndRoot Over 5 EndFraction
StartFraction 4 StartRoot 21 EndRoot Over 5 EndFraction

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If Sine (x) = two-fifths and tan(x) > 0, what is sin(2x)? StartFraction 2 StartRoot 21 EndRoot O...