HKDSE-MATH - 2020 - Paper 2 -

Ans: B
We sketch a graph according to the question.

Note that

Ans: D

In $\Delta ACD$,

$\begin{array}{rcll}
\tan \theta &

Ans: B

Add a point $X$ on $CD$ such that $EX \perp CD$. Hence, $

Ans: D

Let $O$ be the centre of the circle. $A$ and $B$ be the en

Ans: C

$\begin{array}{rcl}
\sin^2x & = & 6\cos^

Ans: D

In $\Delta ABE$,

$\begin{array}{rcll}
\angle AEB &#