Question

2tan30°/1+tan²30°=? Plzz solve this question

Answer 1

here tan30° = 1/√3

By using identity ,

1+tan²30°= sec²30°

and sec 30°=2/√3

Now ,

2 * 1/√3 = 2/√3...........numerator

(2/√3)................denominator

(2/√3)² = 4/3

∴ 2/√3 / 4/3

∴ 2/√3 * 3/4 = √3/2

    Hope it helps............