The Cos rule requires a little invention
the Pythagoras rule with a little extension
take away the 2bc, cos A’s not right
across from big A little a takes flight
The Cos rule requires a little invention the Pythagoras rule with a little extension take away the 2bc, cos A’s not right across from big A little a takes flight
The Cos rule requires a little invention
the Pythagoras rule with a little extension
take away the 2bc, cos A’s not right
across from big A little a takes flight