Submitted by Atanu Chaudhuri on Fri, 11/10/2019 - 18:55

This is the part 2 of the solutions of last 5 questions in * SSC CGL Tier II Solution set 12 on trigonometry 2*. All 5 problems including the tricky ones are solved quickly in a few steps using suitable concepts and techniques.

Pattern discovery and suitable use of concepts and method have by far been the main components of the quick solutions. The notable of the methods used are, friendly trigonometric function pair, perfect square of sum, trigonometric ratios, trigonometric complementary angle relations, end state analysis approach, componendo dividendo, algebraic techniques, and mathematical reasoning.