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Magazine Problem 17
By means of the definition of a radian, change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\). $$0.265 rad$$
Problem 17
Find the values of the indicated functions. In Exercises \(17-20,\) give answers in exact form. In Exercises \(21-24,\) the values are approximate. Given \(\cos \theta=12 / 13,\) find \(\sin \theta\) and \(\cot \theta\).
Problem 18
By means of the definition of a radian, change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\). $$0.838 \mathrm{rad}$$
Problem 18
Change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\) $$0.838 \mathrm{rad}$$
Problem 19
Find the values of the indicated functions. In Exercises \(17-20,\) give answers in exact form. In Exercises \(21-24,\) the values are approximate. Given \(\tan \theta=2,\) find \(\sin \theta\) and \(\sec \theta\).
Problem 19
By means of the definition of a radian, change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\). $$4.447 \mathrm{rad}$$
Problem 19
Change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\) $$4.447 \mathrm{rad}$$
Problem 19
Solve the given problems. Sketch an appropriate figure, unless the figure is given. A straight driveway is \(85.0 \mathrm{ft}\) long, and the top is \(12.0 \mathrm{ft}\) above the bottom. What angle does it make with the horizontal?
Problem 20
By means of the definition of a radian, change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\). $$-3.642 \mathrm{rad}$$
Problem 20
Change the given angles in radians to equal angles expressed in degrees to the nearest \(0.01^{\circ}\) $$-3.642 \mathrm{rad}$$
