Trigonometry -By Sherin B John

12345678910
Across
  1. 2. the first person to use abriviated notation of cos
  2. 4. this ratio is equal to base/hypotenuse
  3. 6. a famous Indian mathematician
  4. 8. the book written by aryabhatta
  5. 9. the term cosine is originated with him
  6. 10. a common trigonometric ratio
Down
  1. 1. it is the study of ratios of sides of a right triangle
  2. 3. one of the trigonometric ratios
  3. 5. opposite side to the right angle in a triangle
  4. 7. Aryabhatta used this word for half chord