Question

Find the derivatives of the given functions. f(x)=\cos (2x+7)

Derivatives
ANSWERED
asked 2021-05-01
Find the derivatives of the given functions. \(\displaystyle{f{{\left({x}\right)}}}={\cos{{\left({2}{x}+{7}\right)}}}\)

Answers (1)

2021-05-02
\(\displaystyle{f{{\left({x}\right)}}}={\cos{{\left({2}{x}+{7}\right)}}}\)
\(\displaystyle{f{{\left({x}\right)}}}=-{\sin{{\left({2}{x}+{7}\right)}}}\dot{{\lbrace}}{\frac{{{d}}}{{{\left.{d}{x}\right.}}}}{\left({2}{x}+{7}\right)}\), u=2x+7
\(\displaystyle=-{\sin{{\left({2}{x}+{7}\right)}}}\dot{{\lbrace}}{2}\)
\(\displaystyle=-{2}{\sin{{\left({2}{x}+{7}\right)}}}\)
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