Relations to Hyperbolic Functions

Posted In: Mathematics

Imaginary unit: i

  1. $sin(ix)=i\ sinhx$
  2. $tan(ix)=i\ tanhx$
  3. $cot(ix)=-i\ cothx$
  4. $sec(ix)=sechx$
  5. $cosec(ix)=-i\ cosechx$

Post Tags: Trigonometry


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