Let’s have some TRIGONOMETRIC fun!!!!!!!!!!!

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Across
  1. 4. SIDES ___________ IS ALSO KNOW AS BASE.
  2. 6. INDIAN MATHEMATICIAN,_________ IN 628, USED AN INTERPOLATION FORMULA TO COMPUTE VALUES OF SINES, UP TO THE SECOND ORDER OF THE NEWTON-STIRLING INTERPOLATION FORMULA.
  3. 8. ____________ IS A BRANCH OF TRIGONOMETRY WHICH STUDIES TRIANGLES ON SPHERES, AND IS IMPORTANT IN ASTRONOMY AND NAVIGATION.
  4. 11. THE NAME OF THE HELLENISTIC MATHEMATICIAN WHO COMPILED A TRIGONOMETRIC TABLE USING THE SINE FOR SOLVING TRIANGLES {THE FIRST RECORDED USE OF TRIGONOMETRY}.
  5. 12. WHEN WORKING WITH A ________ OF RADIUS 1 WE CAN MEASURE COS, SIN AND TAN DIRECTLY.
Down
  1. 1. ________ IS THE FULL FORM OF COSEC.
  2. 2. STUDENTS OFTEN USE MNEMONICS TO REMEMBER FACTS AND RELATIONSHIPS IN TRIGONOMETRY.
  3. 3. THE TERMS ____________ IS USED FOR THE OPPOSITE SIDES.
  4. 5. TRIGONOMETRY WORKS ON A FLAT,_______________SURFACE[PLANE].
  5. 7. _______ IS THE RECIPROCAL OF COT .
  6. 9. SINE IS THE RATIO OF __________ / HYPOTENUSE.
  7. 10. _____________ IS A VARIABLE, NOT A CONSTANT.IT IS THE VARIABLE COMMONLY USED IN TRIGONOMETRY TO REPRESENT AN ANGLE VALUE.