Trigonometry Rational or Irrational no.

[jacks]

$\cos(1^0)$ and $\tan(1^0)$ are Rational or Irrational no.

Where angle are in Degree

help required

 

[CaptainBlack]

$\cos(1^0)$ and $\tan(1^0)$ are Rational or Irrational no.

Where angle are in Degree

help required

Irrational, the proof can be found >>here<<

CB