Topics today are

Differentiating Sec and Cosec and stationary points

Integrating e^x and maximum area

Differentiating tan x and cot x

Newton’s Law of cooling

Functions inverse domain and range

Trig of exact angles

Period of different trig functions

The questions can be found at http://bit.ly/AlevelOneNote

Subscribe and send your problems to me take a photo or screenshot your work. You must attempt a question or be looking for me to explain your teacher’s working.

I will make videos each day on problems sent into me.

You can email me at [email protected]