KBC 2022| Ques : In which of these fields are the terms sine, cosine, and tangent primarily used? By Saima Parveen - September 1, 2022 KBC 2022| Choose the correct option : Ques : In which of these fields are the terms sine, cosine, and tangent primarily used? A. Zoology B. Trigonometry C. Archaeology D. Organic Chemistry Ans : Option B. Trigonometry