nilai lim x->0 cos 4x-1/x tan 2x
Matematika
hikmahexo
Pertanyaan
nilai lim x->0 cos 4x-1/x tan 2x
1 Jawaban
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1. Jawaban abyandaffa11
cos 4x = 1 - 2 sin^2 2x
1 - 2 sin^2 2x - 1 /x tan 2x
= 2 sin 2x . sin 2x / x tan 2x
= 2 × 2 × 2 / 1 × 2
= 4