Lim x 0 1 cos2x x 2 July 8, 2019 16 32 64 128 Lim x → 0 1 cos2x x 2 Lim x 0 1 2cosx cos2x x 2 Lim x tends to 0 1 cos2x x 2 Lim x 0 1 cosx √ cos2x x 2 Lim x 0 1-cos2x / 2sin2x Lim x → 0 1 2 cos x cos2x x 2 Lim x → 0 root 1 2 1 cos2x )/ x