If calculate cos A and tan A.
LetAB = 8K, BC = 15KUsing Pythagoras theorem, we haveAC2 = AB2 + BC2 = (8K)2 + (15K)2= 64K2 + 225K2= 289K2So,AC = 17KNow,AC = 17K
Given calculate all other trigonometric ratios.
If cot θ = evaluate: