• Statement and simple problems on division algorithm for polynomials with real coefficients. • Trigonometric ratios of complementary angles. NCERT Maths solutions also includes concept specific to the questions so you don't have to roam around the different sources to understand the question. The chapter starts with the Euclid’s Division Lemma which states that “Given positive integers a and b, there exist unique integers q and r satisfying a = bq + r, 0≤r