find the value of sin 30 and sin 60 , geometrically .
sin 30
Consider an equilateral âABC with sides AB = BC = CA = 2a.


In triangle ABD, apply Pythagoras theorem to get,
In triangle ABD,
find the value of sin 30 and sin 60 , geometrically .
sin 30
Consider an equilateral âABC with sides AB = BC = CA = 2a.In triangle ABD, apply Pythagoras theorem to get,
In triangle ABD,