1019 past contests
Topic 40 · $y=\tan x$ is increasing between $0^\circ$ and $90^\circ$ (true/false)
Topic 40 · $y=\cos x$ is increasing between $90^\circ$ and $180^\circ$ (true/false)
Topic 42 · Evaluating $\cos77^\circ\cos17^\circ+\sin77^\circ\sin17^\circ$ and $2\sin150^\circ$
Topic 33 · A square fits its outline in $8$ positions (true/false)
Topic 40 · $y=\sin x$ is increasing between $0^\circ$ and $90^\circ$ (true/false)
Topic 33 · A regular hexagon fits its outline in $6$ rotational positions (true/false)
Topic 40 · Period of $\sin(kx)$, $\cos(kx)$ and $\tan(kx)$
Topic 33 · A scalene triangle fits its outline in one position (true/false)
Topic 42 · Expressing double-angle and addition-formula expressions as a single ratio
Topic 21 · Solving $|3x+9|=12$
Topic 21 · Solving $|2x-5|=7$
Topic 21 · Solving $|3x+2|=5$
Topic 36 · Sum of the interior angles of a polygon of $12$ sides
Topic 36 · Number of sides of a polygon with interior angle sum $1620^\circ$
Topic 36 · Interior angle of a regular polygon of $15$ sides
Topic 27 · Chain rule: $y=(x+\sin x)^4$
Topic 27 · Quotient rule: $y=\dfrac{\sin x}{x^2}$
Topic 27 · Product rule: $y=x^2\sin(2x)$
Topic 9 · Finding $n$ in $(7.5\times10^{-4})\div(0.25\times10^{-7})=3.0\times10^n$
Topic 9 · Finding $n$ in $(3\times10^5)\div(8\times10^{-3})=3.75\times10^n$