Find the value of sin60 geometrically

Consider an equilateral ∆ABC with sides AB = BC = CA = 2

*a*.In triangle ABD, apply Pythagoras theorem to get,

In triangle ABD,

**
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Find the value of sin60 geometrically

Consider an equilateral ∆ABC with sides AB = BC = CA = 2*a*.

In triangle ABD, apply Pythagoras theorem to get,

In triangle ABD,

**
**

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