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Fungsi dan Grafik Fungsi dan Grafik Diferensial dan ... - Ee-cafe.org

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Jika w = f(x), maka<br />

d(tan<br />

v)<br />

d ⎛ sin v ⎞ cos x + sin x dv 2<br />

= ⎜ ⎟ =<br />

= sec v<br />

dx dx cosv<br />

2<br />

⎝ ⎠ cos x dx<br />

d 2<br />

(cot v)<br />

d ⎛ cosv<br />

⎞ dv<br />

= ⎜ ⎟ = −csc<br />

v . (Buktikan!).<br />

dx dx ⎝ sin v ⎠ dx<br />

d(secv)<br />

=<br />

dx<br />

d<br />

dx<br />

⎛<br />

⎜<br />

⎝<br />

1<br />

cos<br />

2<br />

⎞ 0 + sin v<br />

⎟ =<br />

v 2<br />

⎠ cos v<br />

dv<br />

dx<br />

2<br />

= secv<br />

tan v<br />

dv<br />

dx<br />

d(cscv)<br />

d ⎛ 1 ⎞<br />

dv<br />

= ⎜ ⎟ = −cscv<br />

cot v . (Buktikan!).<br />

dx dx ⎝ sin v ⎠<br />

dx<br />

−1<br />

d(sin<br />

w)<br />

=<br />

dx<br />

−1<br />

d(cos<br />

w)<br />

= −<br />

dx<br />

−1<br />

d(tan<br />

dx<br />

−1<br />

d(cot<br />

dx<br />

−1<br />

d(sec<br />

dx<br />

−1<br />

d(csc<br />

dx<br />

1<br />

1 − w<br />

w)<br />

1<br />

=<br />

1 + w<br />

1<br />

2<br />

1 − w<br />

2<br />

w)<br />

1<br />

= −<br />

1 + w<br />

w)<br />

=<br />

w<br />

w)<br />

= −<br />

w<br />

1<br />

w<br />

2<br />

dw<br />

dx<br />

2<br />

dw<br />

dx<br />

2<br />

1<br />

w<br />

dw<br />

dx<br />

−1<br />

2<br />

dw<br />

dx<br />

. (Buktikan!).<br />

. (Buktikan!).<br />

. (Buktikan!).<br />

. (Buktikan!).<br />

dw<br />

dx<br />

. (Buktikan!).<br />

dw<br />

. (Buktikan!).<br />

−1<br />

dx<br />

dv<br />

dx<br />

Soal-Soal : Carilah turunan fungsi-fungsi berikut.<br />

y = sin<br />

−1<br />

1<br />

y = tan<br />

3<br />

(0,5x) ;<br />

−1<br />

x<br />

;<br />

3<br />

y = cos<br />

y = sec<br />

−1<br />

−1<br />

(2x)<br />

4x<br />

138 Sudaryatno Sudirham, <strong>Fungsi</strong> <strong>dan</strong> <strong>Grafik</strong>, <strong>Diferensial</strong> <strong>dan</strong> Integral

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