91Ó°ÊÓ

Solve each right triangle in Exercises \(1-18 .\) Remember that \(m \angle C=90^{\circ} .\) Round to the same number of decimal places as in the given information. $$a=4.3 \text { and } b=6.1$$

Use a calculator to find each ratio correct to four decimal places. $$\tan 38^{\circ}$$

Use your calculator to find each trigonometric ratio, correct to four decimal places. $$\sin 65^{\circ}$$

Devil's Tower is a rock formation. Jeremiah is standing 1200.0 feet from the base of the formation. The angle with the ground to the top of the rock is \(35.8^{\circ} .\) How high is the tower?

Solve each right triangle in Exercises \(1-18 .\) Remember that \(m \angle C=90^{\circ} .\) Round to the same number of decimal places as in the given information. $$m \angle A=26.7^{\circ} \text { and } c=12.0$$

Use a calculator to find each ratio correct to four decimal places. $$\tan 57.1^{\circ}$$

Solve each right triangle in Exercises \(1-18 .\) Remember that \(m \angle C=90^{\circ} .\) Round to the same number of decimal places as in the given information. $$m \angle A=62.2^{\circ} \text { and } b=7.3$$

Use your calculator to find each trigonometric ratio, correct to four decimal places. $$\cos 5^{\circ}$$

A forest ranger in a 100 -foot-tall fire tower sees a fire on the forest floor. The angle of depression from the tower to the fire is \(84^{\circ} .\) How far from the base of the tower is the forest fire?

Use your calculator to find each trigonometric ratio, correct to four decimal places. $$\cos 38^{\circ}$$