Differentiating Inverse Trigonometric Functions Practice Test

$-\dfrac{1}{3\sqrt{1-\left(\frac{t-4}{3}\right)^2}}$

$\dfrac{1}{\sqrt{1-\left(\frac{t-4}{3}\right)^2}}$

$\dfrac{1}{3\sqrt{1-\left(\frac{t-4}{3}\right)^2}}$

$\dfrac{1}{3\sqrt{1+\left(\frac{t-4}{3}\right)^2}}$

$\cos!\left(\frac{t-4}{3}\right)$