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Even  &  Odd  Trigonometric  Functions

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☼   Even  &  Odd  Trigonometric  Functions  : –

Even  Trigonometric  Functions   : –

  1. cos \left(-\theta\right) = cos θ

2. sec \left(-\theta\right) = sec θ

Odd  Trigonometric  Functions  : –

  1. sin \left(-\theta\right) = – sin θ
  2. cosec \left(-\theta\right) = – cosec θ
  3. tan \left(-\theta\right) = – tan θ
  4. cot \left(-\theta\right) = – cot θ

 

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