Best unit 10 trigonometric identities solved notes class 11 punjab boards – 100% solved exercises with easy step-by-step solutions, graphs, diagrams & marking scheme from new book (PECTAA, Punjab Curriculum and Textbook Board, Ali Brothers, Ilmi Kitab Khana, Scholar Publications, Caravan Book House, Farhan Publishers).Perfect for Punjab boards exams 2026 – score 90+ marks!
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Exercise 10.1 – Trig Values Without Tables (All Questions Solved) Exercise 10.1 Page 240 Full Solutions ↳ Exercise 10.1 Complete Solved PDF ↳ Q1(i) cos(-1230°) = -√3/2 ↳ Q1(ii) tan(-1035°) = 1 ↳ Q1(iii) sec(1140°) = 2 ↳ Q1(iv) csc(-690°) = 2
All Remaining Exercises + Review Exercise (100% Solved) ↳ Exercise 10.2 Identities Proofs ↳ Exercise 10.3 Sum & Difference ↳ Exercise 10.4 Double Half Angles ↳ Exercise 10.5 Product Sum Identities ↳ Review Exercise Unit 10 Full Solved
Bonus Resources ↳ Trigonometric Identities Formulas Cheat Sheet PDF ↳ Top 30 Periodicity & Reduction Shortcuts ↳ Trigonometric Identities Video Series ↳ Unit 10 Past Papers Solved (2018-2025) ↳ Unit 9 Division Polynomials Notes ↳ Unit 11 Trig Functions Graphs Coming Soon
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External Links
- PCTB Official → pctb.punjab.gov.pk
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