tolong bntu kak, [tex]f(x) = {sec}^{ - 4} x[/tex]
Matematika
aldiirawan11
Pertanyaan
tolong bntu kak,
[tex]f(x) = {sec}^{ - 4} x[/tex]
[tex]f(x) = {sec}^{ - 4} x[/tex]
1 Jawaban
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1. Jawaban Anonyme
jawab
sec x = 1/cos x
sec⁻⁴ x = cos ⁴x
f(x) = sec⁻⁴ x = cos ⁴ x
f '(x) = 4. cos³ x . (-sin x)
f '(x) = - 4 cos³ x sin x