Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...

Maths Formulas for Class 12: Scientists and mathematicians dedicated their entire lives to solving complex problems and figuring out proofs and relations. And their efforts are bearing fruit today.

Quite often in mathematics we want to change which letter is the subject of the formula, the method for doing this is very similar to how we solve equations. We need to isolate \({t}\) so that it is ...