If f x -sin 2 x -cos 2 x- Find f l - - 6

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Derivative of Some Standard Functions

If f x =sin 2...

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If f(x) = sin2x - cos2x, Find f^I(π/6)

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f (x) = sin 2 x - cos 2 x,

f^{'} (\frac{π}{6})

f (x) = {cos}^{2} x - {sin}^{2} x

x = \frac{π}{12}

f (x) = ∣ ∣ ∣ ∣ ∣ \begin{matrix} 1 + {sin}^{2} x & {cos}^{2} x & 4 sin 2 x {sin}^{2} x & 1 + {cos}^{2} x & 4 sin 2 x {sin}^{2} x & {cos}^{2} x & 1 + 4 sin 2 x \end{matrix} ∣ ∣ ∣ ∣ ∣

f (x) =

If $f (x) = \frac{1 + c o s 2 x + 8 s i n^{2} x}{s i n 2 x}$ . Then the minimum value of f(x) is

f (x) = \{\begin{cases} \frac{\cos^{2} x - \sin^{2} x - 1}{\sqrt{x^{2} + 1} - 1}, & x \neq 0 \\ k, & x = 0 \end{cases}

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