TRIGONOMETRY - PART - 48 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS.

Triangle ABC is right-angled at B, D is the mid-point of BC, AC = 5 units, BC = 4 units and triangle BAD is Ꝋ . Find the value of (i) tan Ꝋ (ii) sin Ꝋ and (iii) sin^2 Ꝋ + cos^2 Ꝋ.