91Ó°ÊÓ

In \(13-20, P\) is a point on the terminal side of an angle in standard position with measure \(\theta\) and on a circle with center at the origin and radius \(r .\) For each point \(P,\) find: a. \(r\) b. \(\cos \theta\) c. \(\sin \theta\) d. \(\tan \theta\) $$ (8,15) $$

In \(8-17,\) for each angle with the given degree measure, find the measure of the reference angle. \(95^{\circ}\)

In \(11-18, P\) is a point on the terminal side of an angle in standard position with measure \(\theta\) and on a circle with center at the origin and radius \(r .\) For each point \(P,\) find: a. \(r\) b. \(\csc \theta\) c. \(\sec \theta\) d. \(\cot \theta\) \((-5,-5)\)

In \(8-17,\) name the quadrant in which an angle of each given measure lies. $$ -280^{\circ} $$

In \(3-38,\) find each function value to four decimal places. $$ \tan 15^{\circ} $$

In \(8-17,\) name the quadrant in which an angle of each given measure lies. $$ -400^{\circ} $$

In \(8-17,\) for each angle with the given degree measure, find the measure of the reference angle. \(290^{\circ}\)

In \(13-20, P\) is a point on the terminal side of an angle in standard position with measure \(\theta\) and on a circle with center at the origin and radius \(r .\) For each point \(P,\) find: a. \(r\) b. \(\cos \theta\) c. \(\sin \theta\) d. \(\tan \theta\) $$ (-1,-1) $$

In \(15-22\) , for each given angle in standard position, determine to the nearest tenth the coordinates of the point where the terminal side intersects the unit circle. $$ 90^{\circ} $$

In \(3-44,\) find the exact value. $$ \sec 45^{\circ} $$