Yes, there was doctrine.

Reddit says

There is definitely a section in the TigerFibel that discusses angles at which the tiger can be penetrated and by what. I did Google quickly but can't find a good link. I can't remember but I think it does mention some angling of the frontal armour to maximise its effectiveness,. . .

The Tigerfibel, and the best translation I can find. Page 80 covers using angle to improve armor effectiveness.

Yes, there was doctrine.

Reddit says

There is definitely a section in the TigerFibel that discusses angles at which the tiger can be penetrated and by what. I did Google quickly but can't find a good link. I can't remember but I think it does mention some angling of the frontal armour to maximise its effectiveness,. . .

The Tigerfibel, and the best translation I can find. Page 80 covers using angle to improve armor effectiveness.

On that link the images are in German, but there is an English translation at the very bottom (outside the frame, easy to miss)

Yes, there was doctrine.

Reddit says that there was a section of the Tigerfibel.

Translated Tigerfibel

Yes, there was doctrine.

Reddit says

There is definitely a section in the TigerFibel that discusses angles at which the tiger can be penetrated and by what. I did Google quickly but can't find a good link. I can't remember but I think it does mention some angling of the frontal armour to maximise its effectiveness,. . .

The Tigerfibel, and the best translation I can find. Page 80 covers using angle to improve armor effectiveness.