Limi sin1/2 x . sin1/4 x
x→0 1 – cos x
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x⇒0 1- cosx x⇒0 2sin²(1/2)x
= (1/2)(1/4)
2(1/2)²
= 1/4
2(1/2)
= 1/4
1
= 1/4