Question

Sin (2x30)=2 tan 30° 1+ tan² 30​

Answer 1

Answer:

sin60° = √3/2 (2tan30°)/(1 + tan²30°) we know, tan30° = 1/√3 so, (2tan30° )/(1 + tan²30°) = (2 × 1

Answer 2

Answer:

Sin60°= √3) 2 (2tan30°) /(1+tan 30

we know tan 30° =\√ 350

(2tan30° ) /(1+tan30°, =(2×1