Solve this : 131. The value of cos 20o - 2 cot 20o is (a) 0 (b) -1 (c) 2 (d) 3 Share with your friends Share 0 Rambaboo Khatana answered this 0 View Full Answer Jegannathan Anandaraman answered this Hi Lavneesh, just by logic the correct option has to be (b) cos 20 can be greater than 1 As we take cos 20 as common factor we have ( 1 - √2) = 1 - 1.414 = - 0.414 0