Introduction to Trigonometry and its Applications

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Across
  1. 2. Value of Sin 45+Cos 45
  2. 4. Branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant function of any angles
  3. 5. if x and y are complementary angles, then
Down
  1. 1. Adjacent/Hypotenuse
  2. 3. Inverse of Tan
  3. 5. Reciprocal of Cosec
  4. 6. The relation between sin 30 and cos 60?