Trigonometry 7th edition

Textbook Cover

Ron Larson and Robert Hostetler
Publisher: Cengage Learning

enhanced content

Enhanced Webassign

Includes pedagogical tools such as assignable simulations, textbook examples, links to the eBook, and algorithmic solutions. Specific features vary from book to book.

lifetime of edition

Lifetime of Edition (LOE)

Your students are allowed unlimited access to WebAssign courses that use this edition of the textbook at no additional cost.


Access is contingent on use of this textbook in the instructor's classroom.

Academic Term Homework
Higher Education Single Term N/A
High School N/A

Online price per student per course or lab, bookstore price varies. Access cards can be packaged with most any textbook, please see your textbook rep or contact WebAssign

  • Chapter P: Prerequisites
    • P.1: Review of Real Numbers and Their Properties
    • P.2: Solving Equations
    • P.3: The Cartesian Plane and Graphs of Equations (30)
    • P.4: Linear Equations in Two Variables (21)
    • P.5: Functions (23)
    • P.6: Analyzing Graphs of Functions (23)
    • P.7: A Library of Parent Functions (15)
    • P.8: Transformation of Functions (11)
    • P.9: Combinations of Functions: Composite Functions (14)
    • P.10: Inverse Functions (22)
    • P: Chapter Test
    • P: Review Exercises (5)
    • P: Vocabulary

  • Chapter 1: Trigonometry
    • 1.1: Radian and Degree Measure (28)
    • 1.2: Trigonometric Functions: The Unit Circle (16)
    • 1.3: Right Triangle Trigonometry (17)
    • 1.4: Trigonometric Functions of Any Angle (19)
    • 1.5: Graphs of Sine and Cosine Functions (18)
    • 1.6: Graphs of Other Trigonometric Functions (12)
    • 1.7: Inverse Trigonometric Functions (11)
    • 1.8: Applications and Models (17)
    • 1: Chapter Test
    • 1: Review Exercises
    • 1: Vocabulary

  • Chapter 2: Analytical Trigonometry
    • 2.1: Using Fundamental Identities (14)
    • 2.2: Verifying Trigonometric Identities (5)
    • 2.3: Solving Trigonometric Equations (8)
    • 2.4: Sum and Difference Formulas (13)
    • 2.5: Multiple-Angle and Product-to Sum Formulas (26)
    • 2: Chapter Test
    • 2: Review Exercises
    • 2: Vocabulary (3)

  • Chapter 3: Additional Topics in Trigonometry
    • 3.1: Law of Sines (12)
    • 3.2: Law of Cosines (15)
    • 3.3: Vectors in the Plane (24)
    • 3.4: Vectors and Dot Products (17)
    • 3: Chapter Test
    • 3: Review Exercises (14)
    • 3: Vocabulary

  • Chapter 4: Complex Numbers
    • 4.1: Complex Numbers (22)
    • 4.2: Complex Solutions of Equations (7)
    • 4.3: Trigonometric Form of a Complex Number (17)
    • 4.4: DeMoivre's Theorem (5)
    • 4: Chapter Test
    • 4: Review Exercises
    • 4: Vocabulary

  • Chapter 5: Exponential and Logarithmic Functions
    • 5.1: Exponential Functions and Their Graphs (18)
    • 5.2: Logarithmic Functions and Their Graphs (24)
    • 5.3: Properties of Logarithms (24)
    • 5.4: Exponential and Logarithmic Equations (29)
    • 5.5: Exponential and Logarithmic Models (20)
    • 5: Chapter Test
    • 5: Review Exercises (8)
    • 5: Vocabulary

  • Chapter 6: Topics in Analytical Geometry
    • 6.1: Lines (21)
    • 6.2: Introduction to Conics: Parabolas (16)
    • 6.3: Ellipses (20)
    • 6.4: Hyperbolas (23)
    • 6.5: Rotation of Conics (19)
    • 6.6: Parametric Equations (9)
    • 6.7: Polar Coordinates (11)
    • 6.8: Graphs of Polar Equations (16)
    • 6.9: Polar Equations of Conics (17)
    • 6: Chapter Test
    • 6: Review Exercises (5)
    • 6: Vocabulary

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
SBS - Step by Step Question
V - Vocabulary Question


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter P: Prerequisites
P.R 5 097 103 104 189 190
P.3 30 V.003 V.005 002 004 006 008 012 014 016 018 020 022 026 028 030 032 034 040 044 046 051 052 055.SBS 066 086 088 090 092 094 096
P.4 21 V.004 002 014 016 017 021 041 046 050 052.SBS 056 060 065 066 067 070 078 097 100 101 114
P.5 23 V.005 004 006 010 014 016 020 024 026.SBS 032 033 038 042 048 053 057 060 066 072 084 089 092 097
P.6 23 V.002 V.007 004 011 016 018 022 026 032 040 042 050 056 064 068 071 073 076 078 085 098 102 104
P.7 15 002.SBS 008 010 014 020 026 030 034 036 040 042 044 062 065 066
P.8 11 V.004 V.006 044 046 048.SBS 050 060 061 063 068 072
P.9 14 V.002 006 010 014 020 022 033 034 044 046 063 064 065 070
P.10 22 V.002 V.004 002 008 009 026 028 030 032 033 037 038 040 056 060 062 070 072.SBS 074 076 078 086
Chapter 1: Trigonometry
1.1 28 V.002 V.003 V.004 V.009 008 012 022 032 034 042 044 050 054 056 060 068 072 078 084 086 088 090 092 094 096 100 101.SBS 104
1.2 16 V.002 006 019 022 030.SBS 032 034 036 038 040 042 044 046 048 050 058
1.3 17 V.002 002 012 016 018 020 022 024 026 028 030 044 048 054 058 068 070
1.4 19 006 008 016 026 028 046 050 054 058 060.SBS 062 066 070 074 084 086 088 089 092
1.5 18 V.001 V.004 002 004 008.SBS 014 028 030 032 034 036 040 048 058 064 066 068 070
1.6 12 V.002 010 016 018 026 043 047 050 066 068 076.SBS 079
1.7 11 038 040 048 050 054 056.SBS 058 062 068 082 097
1.8 17 V.002 002 006 010 012 014 016 018 021 025 034 036 040 048 052 054 060
Chapter 2: Analytical Trigonometry
2.R 3 002 097 099
2.1 14 V.002 015 021 049 052 054 056 058 060 062 063 077 078 082
2.2 5 V.001 051.SBS 052 053 054
2.3 8 V.002 008 010.SBS 012 013 070 077 078
2.4 13 004 005 024 026 028 038 040 047 050 075 086 088 090
2.5 26 001 010 015 024 026 029 035 042 044 046 048 050 052 054 056 064 066 068 076 078 084.SBS 086 092 094 120 121
Chapter 3: Additional Topics in Trigonometry
3.R 14 014 016 034 036 046 048 050 052 074 076 078 079 085 086
3.1 12 001 002 003 008 030 032.SBS 034 035 039 041 043 047
3.2 15 V.003 001 002 003 004 017 024.SBS 026 028 031 034 036 045 046 048
3.3 24 V.002 V.004 V.006 V.008 004 006 008 010 012 022 024 026 030 032 036 040.SBS 041 042 044 046 054 056 066 068
3.4 17 006 010 014 020 024 026 030 034 041 056.SBS 060 062 064 066 068 071 074
Chapter 4: Complex Numbers
4.1 22 002 007 014 016 018 025 026 028 031 038 042 044 046 050 054 056 060.SBS 063 076 082 085 089
4.2 7 034 036 046 050 056.SBS 079 082
4.3 17 V.002 001 004 009 010 014 018 022 026 032 035 038 046 050 056 067 068
4.4 5 002.SBS 006 010 012 017
Chapter 5: Exponential and Logarithmic Functions
5.R 8 002 041 046 048 060 064 097 143
5.1 18 V.002 002 005 009 018 020 026 027 028 032 036 042 050 054 058.SBS 062 066 068
5.2 24 V.002 004 006 010 016 018 022 024 026 030 036 040 047 054 061 062 068 070 072 076 078 080.SBS 084 088
5.3 24 002 006 010 016 018 022 024 026.SBS 028 032 034 036 042 046 052 054 058 060 062 066 070 076 082 084
5.4 29 002 006 008 010 011 014 016 017 022 026 030 032 036 040 056 066 068 076 080 086 088 094.SBS 096 102 104 108 110 111 116
5.5 20 V.003 V.004 002 010 014 016 018 021 026 028 034 035 038 044 050 052 054 059 062.SBS 065
Chapter 6: Topics in Analytical Geometry
6.R 5 016 031 078 079 092
6.1 21 V.002 V.004 006 008 010 012 014 016 018 020 022 028 030 038 040 044 046 048 050 052 054
6.2 16 V.002 V.003 V.004 005 012 016 022 024 028 032 036 046 048 056 058 063
6.3 20 V.002 V.004 001 007 013 017 020 025 029 034 038 040 042 048 050 052 056 057 059 060
6.4 23 V.002 V.004 001 006 007 008 010 012 017 018 019 020 022 024 026 028 032 036.SBS 041 042 045 053 057
6.5 19 V.003 002 008 012 014 016 020 022 025 027 034.SBS 036 038 040 042 044 048 050 054
6.6 9 V.002 002 004 006 012 020 026.SBS 028 059
6.7 11 V.002 002 010 011 028 029 034 040 052 054 061
6.8 16 V.002 V.004 V.006 002 003 006 014 016 022 024.SBS 032 042 043 048 050 052
6.9 17 V.002 005 012 013 020 021 024 034 036 038 040.SBS 042 044 046 048 052 054
Total 784