1. limit x mendekati π/4 : (sin x - cos x) per (1 - 2 sin x)
Matematika
boem7963
Pertanyaan
1. limit x mendekati π/4 : (sin x - cos x) per (1 - 2 sin x)
1 Jawaban
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1. Jawaban ryantian17
gunakan dalil L'hospital maka didapat
= lim (cosx -(-sinx))/-(2cos2x)
= lim (cosx+sinx)/ (-2cos2x)
= (cos 45 + sin 45) / -2 cos 90
= √2/ 0
= ∾