What is derivative of f(x)=(cos(t))/(t^7) ?

The answer to derivative of f(x)=(cos(t))/(t^7) is (dt)/(dx)=0

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derivative of f(x)=(cos(t))/(t^7)

derivative of

f (x) = \frac{cos ( t )}{t ^{7}}

\frac{d t}{d x} = 0

Solution steps

f (x) = \frac{cos ( t )}{t ^{7}}

Treat

t

t (x)

Differentiate both sides:

0 = - \frac{\frac{d t}{d x} ( sin ( t ) t + 7 cos ( t ) )}{t ^{8}}

Isolate

\frac{d t}{d x} : \frac{d t}{d x} = 0

\frac{d t}{d x} = 0

x^{^{''}} - 3 x^{^{'}} = e^{- 3 t}

\int_{- \infty}^{0} \frac{1}{3 - 4 x} d x

\int_{0}^{\frac{π}{10}} tan (5 x) d x

\int \frac{5 - 10 x ^{2}}{4 x ^{3} - 6 x + 15} d x

What is derivative of f(x)=(cos(t))/(t^7) ?
The answer to derivative of f(x)=(cos(t))/(t^7) is (dt)/(dx)=0