NEB NotesNepal
Unit 5 • Class 10Optional Mathematics (OptMat.101)

Trigonometry (Optional)

त्रिकोणमिति (ऐच्छिक)

Compound angles, multiple angles (2A, 3A), sub-multiple angles (A/2), transformation of products into sums/differences, conditional trigonometric identities, and trigonometric equations.