$x$ के सापेक्ष फलन का अवकलन कीजिए: $\sin (ax+b)$

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माना कि $f(x) = \sin (ax+b)$.
श्रृंखला नियम (chain rule) का उपयोग करते हुए,हम $x$ के सापेक्ष अवकलन करते हैं:
$\frac{d}{dx}[\sin (ax+b)] = \cos (ax+b) \cdot \frac{d}{dx}(ax+b)$
$= \cos (ax+b) \cdot [\frac{d}{dx}(ax) + \frac{d}{dx}(b)]$
$= \cos (ax+b) \cdot (a + 0)$
$= a \cos (ax+b)$

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