Trigonometry Crossword

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Across
  1. 4. length of hypotenuse when other sides are three and four
  2. 7. sine divided by cosine
  3. 8. the shape of the sine function
  4. 9. the reciprocal of tangent
  5. 11. the longest side of a right triangle
  6. 12. the square of the cosecant is the same as one plus the square of this
  7. 14. ratio of opposite angle over hypotenuse
  8. 15. a handy mnemonic for sin, cos and tan
Down
  1. 1. sine = 1 when an angle is this many degrees
  2. 2. this number squared is equal to tangent squared plus one
  3. 3. the reciprocal of sine
  4. 5. the sum of the squares of sine and cosine
  5. 6. the theorem that lets you find the length of a side of a right triangle given the other two
  6. 10. the reciprocal of cosine
  7. 13. we can use trigonometric identities to determine these from a triangle's lengths