NCERT solution { Trigonometry - III }
MATHEMATICS FOR CLASS - X NCERT solution Recomended for CBSE and BSEB students * Trigonometry [ PART - III ] EXERCISE 8.4 1. Express the trigonometric ratios sinA , secA and tanA in terms of cotA. Ans: 2 2 cosec A = 1 + cot A 1 2 ⇒ ––––––––––– = 1 + cot A ...