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Trigonometric Identities
Mathematics · Chapter 20 · 5. Trigonometry
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Your path through this chapter
Visual lesson Beta
- Part 1: The three Pythagorean identities18 slides
- Part 2: Complementary angles, proofs and expressions20 slides
Flashcards Beta
30 cards for quick recall of key terms and facts.
Review the cards Step 3: Not startedPractice
65 board-style questions with instant checks: Multiple choice 20, Short answer 15, Long answer 7, Assertion and reason 6.
Practise Step 4: Not startedChapter test Free
Short and long chapter tests in board pattern, with results and analysis.
Step 5: Not started- Chapter test (long) — Trigonometric Identities · 40 marks · 90 min
- Chapter test (short) — Trigonometric Identities · 20 marks · 45 min
Topics 3
- The identities sin^2 A + cos^2 A = 1, 1 + tan^2 A = sec^2 A and 1 + cot^2 A = cosec^2 A for 0 <= A <= 90 degrees
- Proving trigonometric identities
- Solving and simplifying algebraic trigonometric expressions using the identities