TRIGONOMETRY TERMINOLOGY

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Across
  1. 5. WHO FIRST USED THE IDEA OF ‘SINE’ THE WAY WE USE TODAY?
  2. 6. THE TRIGONOMETRIC RATIO THAT USES THE OPPOSITE AND ADJACENT
  3. 9. THE NAME GIVEN TO THE SIDE OF A TRIANGLE THAT IS ACROSS FROM THE ANGLE
  4. 11. WHO FIRST USED THE ABBREVIATION OF ‘SIN’?
  5. 12. BRANCH OF MATHEMATIC DEALING WITH RELATIONS OF THE SIDES AND ANGLES OF TRIANGLES AND WITH THE RELEVANT FUNCTION OF ANY ANGLES
  6. 14. LOOKING UP TO SOMETHING GIVES AN ANGLE OF _______
Down
  1. 1. THE NAME GIVEN TO THE LONGEST SIDE OF A TRIANGLE
  2. 2. THE NAME GIVEN TO THE SIDE OF A TRIANGLE THAT IS NEXT TO THE ANGLE
  3. 3. WHICH FAMOUS BOOK DID ARYABHATTA WRITE ON TRIGONOMETRY?
  4. 4. THE NAME OF THE SYMBOL USED TO INDICATE AN ANGLE. STARTS WITH T
  5. 7. THE TOP MOST DIRECTION ON A COMPASS
  6. 8. THE TRIGONOMETRIC RATIO THAT USES THE OPPOSITE AND HYPOTENUSE
  7. 10. THE TRIGONOMETRIC RATIO THAT USES THE ADJACENT AND HYPOTENUSE
  8. 13. LOOKING DOWN AT SOMETHING GIVES AN ANGLE OF _______