Important Trigonometric Formulas

Posted In: Mathematics
  1. $sin^2θ+cos^2θ=1$
  2. $sec^2θ-tan^2θ=1$
  3. $cosec^2θ-cot^2θ=1$
  4. $tan\ θ={sin\ θ}/{cos\ θ}$
  5. $cot\ θ={cos\ θ}/{sin\ θ}$
  6. $tan\ θ.cot\ θ=1$
  7. $sin\ θ=1/{cosec\ θ}$
  8. $cos\ θ=1/{sec\ θ}$
  9. $tan\ θ=1/{cot\ θ}$
  10. $cot\ θ=1/{tan\ θ}$
  11. $sec\ θ=1/{cos\ θ}$
  12. $cosec\ θ=1/{sin\ θ}$

Post Tags: Trigonometry


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