exam Maths Puzzle Numerical Ability

how do i solve a multiuple radical equaion

Read Solution (Total 0)

exam Other Question

5.3.1.2.

How do I solve this (below) using factoring?

x^2 + 6x - 27 = 0

I appreciate your help so much. Thank you.
please explain this question:- To prove:-
cot(x)/1+tan(x)= cot-1/2-sec^2(x)