Chapter 10
Algebra 2 and Trigonometry · 179 exercises
Problem 10
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\cot \pi\)
4 step solution
Problem 10
In \(3-12\) , find the exact function value of each of the following if the measure of the angle is given in radians. $$ \sec \frac{\pi}{3} $$
3 step solution
Problem 10
In \(3-12,\) find the radian measure of each angle whose degree measure is given. \(240^{\circ}\)
5 step solution
Problem 11
In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arccos (-1) $$
5 step solution
Problem 11
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \sin 110^{\circ} $$
2 step solution
Problem 11
In \(3-14,\) for each given function value, find the remaining five trigonometric function values. \(\cot \theta=\frac{5}{3}\) and \(\theta\) is in the third quadrant.
4 step solution
Problem 11
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\sec \frac{3 \pi}{2}\)
4 step solution
Problem 11
In \(3-12\) , find the exact function value of each of the following if the measure of the angle is given in radians. $$ \csc \pi $$
4 step solution
Problem 11
In \(3-12,\) find the radian measure of each angle whose degree measure is given. \(270^{\circ}\)
6 step solution
Problem 12
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \tan 95^{\circ} $$
3 step solution
Problem 12
In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arcsin 1 $$
3 step solution
Problem 12
In \(3-14,\) for each given function value, find the remaining five trigonometric function values. \(\csc \theta=\frac{5}{4}\) and \(\theta\) is in the second quadrant.
4 step solution
Problem 12
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\csc \frac{7 \pi}{2}\)
5 step solution
Problem 12
In \(3-12\) , find the exact function value of each of the following if the measure of the angle is given in radians. $$ \cot \frac{\pi}{4} $$
3 step solution
Problem 12
In \(3-12,\) find the radian measure of each angle whose degree measure is given. \(330^{\circ}\)
5 step solution
Problem 13
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \cos 130^{\circ} $$
4 step solution
Problem 13
In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arctan 0 $$
3 step solution
Problem 13
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\tan 0\)
4 step solution
Problem 13
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \sin \theta=0.2736 $$
5 step solution
Problem 13
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{\pi}{3}\)
5 step solution
Problem 14
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \sec 125^{\circ} $$
4 step solution
Problem 14
In \(3-14,\) find each value of \(\theta : \mathbf{a} .\) in degrees \(\mathbf{b} .\) in radians $$ \theta=\arccos 0 $$
4 step solution
Problem 14
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\cot 0\)
4 step solution
Problem 14
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \cos \theta=0.5379 $$
5 step solution
Problem 14
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{\pi}{9}\)
5 step solution
Problem 15
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \sin 230^{\circ} $$
4 step solution
Problem 15
In \(15-23,\) use a calculator to find each value of \(\theta\) to the nearest degree. $$ \theta=\arcsin 0.6 $$
3 step solution
Problem 15
In \(15-22,\) write each given expression in terms of sine and cosine and express the result in simplest form. \((\csc \theta)(\sin \theta)\)
2 step solution
Problem 15
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\tan \left(-\frac{\pi}{2}\right)\)
4 step solution
Problem 15
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \tan \theta=3.726 $$
3 step solution
Problem 15
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{\pi}{10}\)
4 step solution
Problem 16
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \cos 255^{\circ} $$
6 step solution
Problem 16
In \(15-23,\) use a calculator to find each value of \(\theta\) to the nearest degree. $$ \theta=\arccos (-0.6) $$
4 step solution
Problem 16
In \(15-22,\) write each given expression in terms of sine and cosine and express the result in simplest form. \((\sin \theta)(\cot \theta)\)
3 step solution
Problem 16
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\csc \left(-\frac{9 \pi}{2}\right)\)
4 step solution
Problem 16
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \cos \theta=0.9389 $$
5 step solution
Problem 16
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{2 \pi}{5}\)
5 step solution
Problem 17
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \tan 237^{\circ} $$
5 step solution
Problem 17
In \(15-23,\) use a calculator to find each value of \(\theta\) to the nearest degree. $$ \theta=\arctan 4.4 $$
3 step solution
Problem 17
In \(15-22,\) write each given expression in terms of sine and cosine and express the result in simplest form. \((\tan \theta)(\cos \theta)\)
4 step solution
Problem 17
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\sec \left(-\frac{9 \pi}{2}\right)\)
4 step solution
Problem 17
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \sin \theta=0.8267 $$
5 step solution
Problem 17
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{10 \pi}{9}\)
4 step solution
Problem 18
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \csc 266^{\circ} $$
4 step solution
Problem 18
In \(15-23,\) use a calculator to find each value of \(\theta\) to the nearest degree. $$ \theta=\arctan (-4.4) $$
3 step solution
Problem 18
In \(15-22,\) write each given expression in terms of sine and cosine and express the result in simplest form. \((\sec \theta)(\cot \theta)\)
4 step solution
Problem 18
For each function value, write the value or tell why it is undefined. Do not use a calculator. \(\cot (-8 \pi)\)
3 step solution
Problem 18
In \(13-24,\) find, to the nearest ten-thousandth, the radian measure \(\theta\) of a first-quadrant angle with the given function value. $$ \cos \theta=0.8267 $$
4 step solution
Problem 18
In \(13-22\) , find the degree measure of each angle whose radian measure is given. \(\frac{3 \pi}{2}\)
5 step solution
Problem 19
In \(3-22 :\) a. Rewrite each function value in terms of its cofunction. b. Find, to four decimal places, the value of the function value found in a. $$ \cos 300^{\circ} $$
5 step solution