On the unit circle, where I <0<2, when is tan 0 undefined? 0=pi and 0=2pi sin 0= cos 0 0=pi/2 and 0=3pi/2 sin 0=1/cos 0 - QAmmunity.org

On the unit circle, where I <0<2, when is tan 0 undefined? 0=pi and 0=2pi sin 0= cos 0 0=pi/2 and 0=3pi/2 sin 0=1/cos 0

asked Jan 10, 2021 221k views

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