1.

20० 2 tan 30° t# = T 0 ane N,.m 1 +tan” 30° a o

Answer»

sin(60°) = √3/2

2 tan(30°)------------------------ 1 + tan²(30°)

2 √3---------------- 1 + (√3)²

2 √3----------- 1 + 3

2 √3--------- 4

√3/2



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