CIE
Trigonometry (Identity/ Equation)
(CIE 0606/2021 March/12/Q8) (a) (i) Show that $\sin x\tan x+\cos x=\sec x$. [3] (ii) Hence solv…
(CIE 0606/2021 March/12/Q8) (a) (i) Show that $\sin x\tan x+\cos x=\sec x$. [3] (ii) Hence solv…
(CIE 0606/2021 March/12/Q7) 7DO NOT USE A CALCULATOR IN THIS QUESTION In this question all lengt…
(CIE 0606/2021/m/12/Q6) (a) A geometric progression has first term 10 and sum to infinity 6. (i) …
$\def\cvec#1#2{\left(\begin{array}{c}#1\\#2\end{array}\right)}\def\ABvec#1{\overrightarrow{#1}}$ (…
(CIE 0606/2021/m/12/Q4) (a) Show that $2x^2+5x-3$ can be written in the form $a(x+b)^2+c$, where…
(CIE 0606/2021/m/12/Q3) The line $AB$ is such that the points $A$ and $B$ have coordinates $(-4, …
(CIE 0606/2021/m/12/Q1) Find the exact solutions of the equation $3(\ln 5x)^2+2\ln 5x-1=0.$ [4] …