Skip to content
Switch2Learning
HomeSubjectsExploreQuizMy ProgressVirtual LabsAbout
Mathematics
Number and Algebra
Geometry and Trigonometry
  1. 18Triangles and Congruence
  2. 19Practical Geometry
  3. 20Pythagoras' Theorem
  4. 21Circle Geometry
  5. 22Similarity, Symmetry and Transformations
  6. 23Mensuration
  7. 24Trigonometry
  8. 25Trigonometric Identities and Equations
    1. Sum and Difference Formulas
    2. Double-Angle and Half-Angle Formulas
    3. Sum-to-Product Formulas
    4. Graphs of Trigonometric Functions
    5. Inverse Trigonometric Functions
    6. Solving Trigonometric Equations
    7. The R cos(θ − α) Form
Coordinate Geometry and Vectors
Calculus and Numerical Methods
Statistics and Probability
Mechanics (A Level Mathematics)
  1. Home
  2. Mathematics
  3. Geometry and Trigonometry
  4. Trigonometric Identities and Equations

Mathematics · Geometry and Trigonometry · Chapter 25

Trigonometric Identities and Equations

Taught in Class 11A Level

Topics in this chapter

  1. 25.1Sum and Difference Formulas
  2. 25.2Double-Angle and Half-Angle Formulas
  3. 25.3Sum-to-Product Formulas
  4. 25.4Graphs of Trigonometric Functions
  5. 25.5Inverse Trigonometric Functions
  6. 25.6Solving Trigonometric Equations
  7. 25.7The R cos(θ − α) FormA Level
← Previous chapterTrigonometryNext chapter →Coordinate Geometry: the Straight Line
Switch2Learning

Where concepts click.

Free notes, diagrams, virtual labs and quizzes for Class 9 to 12 and Cambridge O Level and A Level.

contact@switch2learning.com

Subjects

  • Chemistry
  • Physics
  • Biology
  • Mathematics
  • Earth and Space

Study

  • All subjects
  • Virtual labs
  • Make a quiz
  • Search topics
  • My progress

Switch2Learning

  • About us
  • Contact us
  • Report a mistake
  • Privacy policy
© 2026 Switch2Learning. Free for every student.No account, no adverts, no trackers.