Mth215 Week 3 Hw
Current Score : – / 63 Due : Sunday, August 26 2018 12:00 AM PDT
1. –/2 pointsAufCAT8 5.1.001.
Find the measure (if possible) of the complement and the supplement of the angle. (If not possible, enter IMPOSSIBLE.)
45°
complement °
supplement °
2. –/4 pointsAufCAT8 5.1.003.
Find the measure (if possible) of the complement and the supplement of the angle. (If not possible, enter IMPOSSIBLE.)
complement ° '
supplement ° '
3. –/1 pointsAufCAT8 5.1.019.
Convert the degree measure to exact radian measure.
4. –/1 pointsAufCAT8 5.1.023.
Convert the degree measure to exact radian measure.
120°
Homework 3 (Homework)
Mary Ann Carissa Oledan MTH 215 (1808), section 1808, Summer 2 2018 Instructor: Victor Zinenberg
WebAssign
60°45'
30°
5. –/1 pointsAufCAT8 5.1.021.
Convert the degree measure to exact radian measure.
6. –/1 pointsAufCAT8 5.1.031.
Convert the radian measure to exact degree measure.
°
90°
11π 5
7. –/6 pointsAufCAT8 5.2.003.
Find the values of the six trigonometric functions of θ for the right triangle with the given sides.
8
3
sin θ =
cos θ =
tan θ =
csc θ =
sec θ =
cot θ =
8. –/6 pointsAufCAT8 5.2.005.
Find the values of the six trigonometric functions of θ for the right triangle with the given sides.
5
8
sin θ =
cos θ =
tan θ =
csc θ =
sec θ =
cot θ =
9. –/1 pointsAufCAT8 5.2.013.
Let θ be an acute angle of a right triangle for which Find tan θ.
tan θ =
sin θ = .5 13
10.–/1 pointsAufCAT8 5.2.022.
Let θ be an acute angle of a right triangle for which Find sin θ.
sin θ =
11.–/1 pointsAufCAT8 5.2.039.
Use a calculator to find the value of the trigonometric function to four decimal places.
tan 32°
12.–/1 pointsAufCAT8 5.3.009.
Evaluate the trigonometric function of the quadrantal angle, or state that the function is undefined. (If an answer is undefined, enter UNDEFINED.)
sin 270°
13.–/1 pointsAufCAT8 5.3.015.
Evaluate the trigonometric function of the quadrantal angle, or state that the function is undefined. (If an answer is undefined, enter UNDEFINED.)
14.–/1 pointsAufCAT8 5.3.017.
Evaluate the trigonometric function of the quadrantal angle, or state that the function is undefined. (If an answer is undefined, enter UNDEFINED.)
cos θ = .2 5
cos π 2
tan π
15.–/1 pointsAufCAT8 5.3.041.
Find the measure of the reference angle θ' for the given angle θ.
16.–/1 pointsAufCAT8 5.3.043.
Find the measure of the reference angle θ' for the given angle θ.
17.–/1 pointsAufCAT8 5.4.023.
Find the exact value of the function.
18.–/1 pointsAufCAT8 5.4.027.
Find the exact value of the function.
θ = 150° θ' = °
θ = 355° θ' = °
cos − 2π 3
sin 3π 2
19.–/1 pointsAufCAT8 5.4.021.
Find the exact value of the function.
20.–/1 pointsAufCAT8 5.5.023.
Graph one full period of the function defined by the equation.
tan 7π 6
y = 3 cos x
21.–/1 pointsAufCAT8 5.5.037.
Graph one full period of the function defined by the equation.
y = 4 cos x 2
22.–/1 pointsAufCAT8 5.6.023.
Sketch one full period of the graph of the function.
y = 3 tan x
23.–/1 pointsAufCAT8 5.6.025.
Sketch one full period of the graph of the function.
24.–/1 pointsAufCAT8 6.2.005.
Find (if possible) the exact value of the expression. (If an answer is undefined, enter UNDEFINED.)
y = cot x5 2
sin(60° + 45°)
25.–/1 pointsAufCAT8 6.2.007.
Find (if possible) the exact value of the expression. (If an answer is undefined, enter UNDEFINED.)
26.–/1 pointsAufCAT8 6.2.009.
Find (if possible) the exact value of the expression. (If an answer is undefined, enter UNDEFINED.)
27.–/1 pointsAufCAT8 6.2.017.
Find (if possible) the exact value of the expression. (If an answer is undefined, enter UNDEFINED.)
28.–/1 pointsAufCAT8 6.2.029.
Write the expression in terms of a single trigonometric function.
cos(45° − 30°)
tan(120° − 45°)
cos 85° cos 25° + sin 85° sin 25°
sin 7x cos 4x − cos 7x sin 4x
29.–/1 pointsAufCAT8 6.3.007.
Write the trigonometric expression in terms of a single trigonometric function.
30.–/1 pointsAufCAT8 6.3.011.
Write the trigonometric expression in terms of a single trigonometric function.
31.–/3 pointsAufCAT8 6.3.017.
Find the exact values of sin 2α, cos 2α, and tan 2α given the following information.
sin 2α =
cos 2α =
tan 2α =
32.–/1 pointsAufCAT8 6.4.007.
Write the expression as the sum or difference of two functions.
2 sin 3α cos 3α
cos2 5α − sin2 5α
cos α = − 90° < α < 180°12 13
cos 4x sin x
33.–/1 pointsAufCAT8 6.4.009.
Write the expression as the sum or difference of two functions.
34.–/1 pointsAufCAT8 6.4.013.
Find the exact value of the expression. Do not use a calculator.
35.–/1 pointsAufCAT8 6.4.025.
Write the expression as the product of two functions.
36.–/1 pointsAufCAT8 6.4.027.MI.
Write the expression as the product of two functions.
sin 5x cos x1 2
cos 75° cos 15°
sin 5θ + sin 3θ
cos 5θ + cos 3θ
37.–/1 pointsAufCAT8 6.5.005.
Find the exact radian value.
38.–/1 pointsAufCAT8 6.5.007.
Find the exact radian value.
39.–/1 pointsAufCAT8 6.5.009.
Find the exact radian value.
40.–/2 pointsAufCAT8 6.5.023.
Use a calculator to approximate each function accurate to four decimal places.
(a)
(b)
sin−1 1
cos−1 2 2
tan−1 − 3 3
sin−1(0.4254)
tan−1(56.7505)
41.–/1 pointsAufCAT8 6.6.006.
Solve the equation for solutions in the interval Round approximate solutions to the nearest ten-thousandth. (Enter your answers as a comma-separated list.)
42.–/1 pointsAufCAT8 6.6.007.
Solve the equation for solutions in the interval Round approximate solutions to the nearest ten-thousandth. (Enter your answers as a comma-separated list.)
43.–/1 pointsAufCAT8 6.6.033.
Solve the equation, where Round approximate solutions to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
44.–/1 pointsAufCAT8 7.2.033.
Find the area of the given triangle. Round the area to the same number of significant digits given for each of the given sides.
square units
0 ≤ x < 2π.
2 sin x = 3 x =
0 ≤ x < 2π.
tan x − 1 = 0 x =
0° ≤ x < 360°.
3 − 6 sin x = 7 sin x + 2 x =
A = 129°, b = 11, c = 25
45.–/1 pointsAufCAT8 7.2.034.
Find the area of the given triangle. Round the area to the same number of significant digits given for each of the given sides.
square units
46.–/1 pointsAufCAT8 7.2.037.
Find the area of the given triangle. Round the area to the same number of significant digits given for each of the given sides.
square units
B = 125°, a = 39, c = 25
a = 18, b = 11, c = 14