Problem 31
The blades of a windmill make one complete rotation per second. How many rotations do they make in one minute?
Problem 40
In \(3-44,\) find the exact value. $$ \left(\sin 45^{\circ}\right)\left(\cos 45^{\circ}\right)\left(\tan 45^{\circ}\right) $$
Problem 43
In \(3-44,\) find the exact value. $$ \frac{\sin 45^{\circ}}{\cos 45^{\circ}} $$
Problem 47
In \(39-50,\) find the smallest positive value of \(\theta\) to the nearest degree. $$ \sin \theta=0.5446 $$
Problem 57
In \(51-58,\) find the smallest positive value of \(\theta\) to the nearest minute. $$ \tan \theta=7.3478 $$