Question

2tan 30°/1-tan²30°=√3​

Answer 1

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Answer 2

Answer:

tan 30° = 1/√3

2×1/√3 / 1-(1/√3)²

2/√3/

1-1/3

2/√3/3-1/3

2/√3/2/3

2×3/3×√3 = 6/2√3 = 3/√3 = √3×√3/√3 = √3