Let fx - cos x sin x cos x cos 2x sin 2x 2 cos 2x cos 3x sin 3x 3 cos 3x- then the value of f-2- -

Given, nbsp; f(x) = nbsp;cos nbsp;x nbsp; amp; sin nbsp;x nbsp; amp; cos nbsp;x cos nbsp;2x nbsp; amp; sin nbsp;2x nbs ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Differentiation of a Determinant

Let fx = co...

Question

Let $f (x) = ∣ ∣ ∣ ∣ \begin{matrix} c o s x & s i n x & c o s x c o s 2 x & s i n 2 x & 2 c o s 2 x c o s 3 x & s i n 3 x & 3 c o s 3 x \end{matrix} ∣ ∣ ∣ ∣$ , then the value of $f^{'} (π / 2) =$ .....................

Open in App

Solution

Suggest Corrections

Similar questions

f (x) = ∣ ∣ ∣ ∣ \begin{matrix} cos x & sin x & cos x cos 2 x & sin 2 x & 2 cos 2 x cos 3 x & sin 3 x & 3 cos 3 x \end{matrix} ∣ ∣ ∣ ∣

f^{'} (\frac{π}{2}) =

f (x) = ∣ ∣ ∣ ∣ \begin{matrix} cos x & sin x & cos x cos 2 x & sin 2 x & 2 cos 2 x cos 3 x & sin 3 x & 3 cos 3 x \end{matrix} ∣ ∣ ∣ ∣

f^{'} (\frac{π}{2}) =

f (x) = ∣ ∣ ∣ ∣ \begin{matrix} cos x & sin x & cos x cos 2 x & sin 2 x & 2 cos 2 x cos 3 x & sin 3 x & 3 cos 3 x \end{matrix} ∣ ∣ ∣ ∣

f (x) = ∣ ∣ ∣ ∣ \begin{matrix} c o s x & s i n x & c o s x c o x 2 x & s i n 2 x & 2 c o s 2 x c o s 3 x & s i n 3 x & 3 c o s 3 x \end{matrix} ∣ ∣ ∣ ∣

f^{'} (\frac{π}{2})

f (x) = tan 2 x . tan 3 x . tan 5 x

f^{^{'}} (π)

Join BYJU'S Learning Program