Regardless of financial pressures, the government's decision to make massive cuts to the Advanced Maths Support Programme (AMSP) on 1st April - part way through the school year - is misguided and wasteful. An effective national network has been disbanded with minimal time to make plans. Shocking.

Agree. Could ask students to state the largest possible continuous domain that includes 0<x<90.

Trying to anticipate misconceptions with year 12s in #Mathstoday with a True or False activity. 2sinx/2cosx caught an unfortunately large amount of them out #Alevelmaths

Any I missed?

Worksheet at chelekmaths.com/a-level/

"an identity is an equality relating one mathematical expression A to another mathematical expression B, such that A and B produce the same value for all values of the variables within a certain domain of discourse" My view is that some of the mentioned positive square roots are identities.