Find dy - dx at t - 4 if y -cos 4 t x -sin 4 t-

The correct option is A 1 dxdt = 4sin^3t .cos t and dydt = 4cos^3t. sin t ⇒dydx = cos^2tsin^2t Thus at t = π4 , nbsp; dydx = 1 ...

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Definition of Limit

Find dy / d...

Question

Find $\frac{d y}{d x}$ at $t = \frac{π}{4}$ if $y = {cos}^{4} t$ & $x = {sin}^{4} t$ .

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Similar questions

\frac{d y}{d x}

t = \frac{π}{4}

x = c o s t

y = s i n t

x = a sin 2 t (1 + cos 2 t)

y = b 2 t (1 - cos 2 t)

\frac{d y}{d x}

t = \frac{π}{4}

t = \frac{π}{3}

x = a sin 2 t (1 + cos 2 t)

y = b cos 2 t (1 - cos 2 t)

\frac{d y}{d x}

t = \frac{π}{4}

x = a s i n 2 t (1 + c o s 2 t)

y = b c o s 2 t (1 - c o s 2 t),

\frac{d y}{d x}

t = \frac{π}{4}

t = \frac{π}{3} .

x = a sin 2 t (1 + cos 2 t)

y = b cos 2 t (1 + cos 2 t)

\frac{d y}{d x}

t = \frac{π}{4}

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