lim x mendekati phi/2 1+cos 2x/cos x
Matematika
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Pertanyaan
lim x mendekati phi/2 1+cos 2x/cos x
1 Jawaban
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1. Jawaban Anonyme
jawab
lim(x->pi/2) (1 + cos 2x ) / cos x
lim(x->pi/2) (2 cos² x )/cos x
lim(x->pi/2) 2 cos x
limit = 2 cos pi/2 = 2 (0) = 0