Trigonometry

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Across
  1. 2. The ratio of the adjacent side to the hypotenuse in a right triangle.
  2. 5. Ancient Indian mathematician who gave the concept of sine.
  3. 7. The length of the side opposite the right angle in a right triangle.
  4. 9. The ratio of the opposite side to the adjacent side in a right triangle.
Down
  1. 1. Branch of mathematics that deals with the relationships between angles and sides of triangles.
  2. 2. The reciprocal of the tangent function.
  3. 3. The reciprocal of the cosine function.
  4. 4. The measure of the central angle that forms an arc with a length equal to the radius.
  5. 6. The reciprocal of the sine function.
  6. 8. The ratio of the opposite side to the hypotenuse in a right triangle.