Math, asked by Anonymous, 3 months ago

Write all trigonometric indentities .

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Answers

Answered by Anonymous
1

Question:

Write all trigonometric identities.

Answer:

  1. 1/Sin∅=Cosec∅
  2. 1/Cos∅=Sec∅
  3. 1/tan∅=cot∅
  4. 1/cosec∅=sin∅
  5. 1/sec∅=cos∅
  6. 1/cot∅=tan∅
  7. sin∅/cos∅=tan∅
  8. cos∅/sin∅=cot∅
  9. sin²+cos²=1
  10. cosec²-tan²=1
  11. sec²-cot²=1
  12. sin(90°-)=cos∅
  13. cos(90°-)=sin∅
  14. cosec(90°-)=sec∅
  15. sec(90°-)=cosec
  16. tan(90°-)=cot∅
  17. cot(90°-)=tan∅
Answered by Anonymous
2

★TRIGONOMETRIC RATIO★

  • sin θ = Opposite Side/Hypotenuse.

  • cos θ = Adjacent Side/Hypotenuse.

  • tan θ = Opposite Side/Adjacent Side.

  • sec θ = Hypotenuse/Adjacent Side.

  • cosec θ = Hypotenuse/Opposite Side.

  • cot θ = Adjacent Side/Opposite Side

TRIGNOMETRIC IDENTITIES

=>sin²θ+ cos²θ = 1

=>1 + tan²θ = sec²θ

=>1 + cot²θ = cosec²θ

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