TRIGONOMETRY

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Across
  1. 3. cosecant otherwise
  2. 5. Adjacent ÷ Hypotenuse
  3. 6. at the first quadrant every trigonometric number is
  4. 8. hypotenuse÷adjacent
  5. 9. adjacent/opposite
  6. 11. regular intervals for a function
  7. 12. secant otherwise
Down
  1. 1. Opposite ÷ Hypotenuse
  2. 2. Branch of mathematics that studies relationships involving lengths of sides and angles of triangles
  3. 3. Opposite÷Hypotenuse
  4. 4. cotangent otherwise
  5. 7. name for the inverse trigonometric function sin
  6. 10. Opposite ÷ Adjacent