“Class 12 CBSE Mathematics: Smart, Concise & High-Scoring Notes (Ch. 1 & 2)”
7. Tricks for Solving Problems Convert inverse trig into normal trig form Use triangles for simplification Apply identities carefully with domain check Always consider principal values Exam Tips Learn all identities properly Practice NCERT examples + exercises Don’t ignore domain/range (very important in inverse trig) Practice proof-based questions If you want, I can also provide: NCERT solutions Important questions Short revision notes (1-page) Previous year questions Just tell me
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relation function domain range injective