# 12 Mathematics by Maktab

### Ch 10 LEC 1 Fundamental law of trigonometry part 1

This video lecture from Trigonometric Identities (F.Sc. first year Mathematics) covers: detailed conceptual lecture on distance formula and fundamental trigonometric identity and its proof. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.