# 12 Mathematics by Maktab

### CH 12 LEC 13 The Sine of Half Angle in Term of Sides

This video lecture from Applications of Trigonometry (F.Sc.first year Mathematics) covers: detailed discussion on concept and proof of sine of half angle in terms of sides of oblique triangle.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.