91Ó°ÊÓ

Write each angle as a sum or difference involving \(\pi\). For example, \(5 \pi / 6=\pi-\pi / 6\). $$\frac{2 \pi}{3}$$

Use a calculator to find the following. $$ \sec 311.7^{\circ} $$

Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5 . Trace the circle to find the sine and cosine of each angle to the nearest ten-thousandth. \(120^{\circ}\)

For each problem below, a point is rotating with uniform circular motion on a circle of radius \(r\). $$ \text { Find } v \text { if } r=2 \text { inches and } \omega=5 \mathrm{rad} / \mathrm{sec} \text {. } $$

Write each angle as a sum or difference involving \(\pi\). For example, \(5 \pi / 6=\pi-\pi / 6\). $$\frac{4 \pi}{3}$$

Find the radius of the circle. \(\theta=180^{\circ}, s=\pi / 2 \mathrm{~m}\)

Use a calculator to find the following. $$ \csc 93.2^{\circ} $$

For each problem below, a point is rotating with uniform circular motion on a circle of radius \(r\). $$ \text { Find } v \text { if } r=8 \text { inches and } \omega=4 \mathrm{rad} / \mathrm{sec} \text {. } $$

Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5 . Trace the circle to find the sine and cosine of each angle to the nearest ten-thousandth. \(225^{\circ}\)

Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5 . Trace the circle to find the sine and cosine of each angle to the nearest ten-thousandth. \(75^{\circ}\)