Chapter-8 INTRODUCTION TO TRIGONOMETRY

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Across
  1. 3. sin θ = Opposite/Hypotenuse
  2. 4. cot θ = 1/tan θ
  3. 7. Side ___ to angle θ
  4. 9. Side ___ to angle θ
  5. 11. sin(90-θ) = cos θ for ___ angles
  6. 13. Longest side in right triangle
Down
  1. 1. sin, cos, tan are ___
  2. 2. cos θ = Adjacent/Hypotenuse
  3. 5. Study of relationships between sides and angles
  4. 6. cosec θ = 1/sin θ
  5. 8. tan θ = Opposite/Adjacent
  6. 10. sin²θ + cos²θ = 1 is an ___
  7. 12. θ represents ___
  8. 14. sec θ = 1/cos θ