lim x->0 1-cos4x / 3sin4x
lim x->0 2sin²2x / 3sin4x
= 2 . 2² / 3.4
= 2/3 (c)
CMIIW
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lim x->0 1-cos4x / 3sin4x
lim x->0 2sin²2x / 3sin4x
= 2 . 2² / 3.4
= 2/3 (c)
CMIIW