Mathematics 0580 · IGCSE
Trigonometric functions
38 practice questions on Trigonometric functions, with worked solutions and instant marking.
The diagram depicts a regular hexagon $ABCDEF$ with side length 10 cm.
Feb/March 2017
The diagram has axes labelled with $0^\circ, 90^\circ, 180^\circ, 270^\circ$ and $360^\circ$ on the x-axis.
Feb/March 2020
Sketch y = \tan x for $0^\circ \leq x \leq 360^\circ$.
Feb/March 2023
Sketch the graph of $y = \cos x$ over $0^\circ \le x \le 360^\circ$.
Feb/March 2024
Solve the equation $2 + 5 \cos x = 0$ for $0^\circ \le x \le 360^\circ$.
Feb/March 2025
Calculate $\sqrt{\frac{1}{2}(1 - \cos 48^{\circ})}$.
May/June 2017
Use a calculator to calculate $\sqrt{1-(\sin 33^{\circ})^2}$.
May/June 2019
The diagram displays a regular pentagon $ABCDE$ drawn inside a circle with centre $O$ and radius 12 cm. $M$ is the midpoint of $BC$. $OMX$ and $ABX$ are straight lines. NOT TO SCALE.
May/June 2019
Sketch $y=\tan x$ over the domain $0^\circ \leq x \leq 360^\circ$.
May/June 2021
Find every solution of $4\sin x = 3$ for $0^\circ \leq x \leq 360^\circ$.
May/June 2021
The diagram shows a pair of axes, with $x$ marked from $0$ to $360$ and $y$ marked from $-1$ to $1$.
May/June 2022
Solve the equation $3\sin x + 3 = 1$ for $0^{\circ} \le x \le 360^{\circ}$.
May/June 2022
From the diagram, sketch the graph of $y = \cos x$ for $0^\circ \leq x \leq 360^\circ$.
May/June 2023
For $0^{\circ} \le x \le 360^{\circ}$, Solve the equation $5\sin x = -3$.
May/June 2023
Solve the equation $8\sin x + 6 = 1$ for values of $x$ in the interval $0^\circ \le x \le 360^\circ$.
May/June 2024
The diagram depicts a right-angled triangle drawn to no scale. Its hypotenuse measures 14 cm, the base measures 8.5 cm, and the angle at the base is $x^\circ$.
May/June 2024
For the sketch, place a ring around the function type shown: linear, cubic, quadratic, reciprocal or exponential.
May/June 2024
Solve for the values of $x$ in the range $0^\circ \leq x \leq 360^\circ$ that satisfy $\tan x + \sqrt{3} = 0$.
May/June 2024
For the circle with centre $O$, the minor arc $PQ$ has length $\frac{3}{7}$ of the major arc $PQ$. Show that $x = 108$.
May/June 2024
The diagram contains two separate right-angled triangles that share one side. It includes angles of 30^{\circ}, with side length $n$ and hypotenuse $x$. Diagram not to scale.
May/June 2025
Draw the graph of $y = \sin x$ for $0^\circ \le x \le 360^\circ$.
May/June 2025
Calculate – $2^3 - \sqrt{10 + 4^2}$.
Oct/Nov 2016
$x^\circ$ is an obtuse angle, and $\sin x^\circ = 0.43$. Find $x$.
Oct/Nov 2018
Given that $\sin x^\circ = 0.36$, find
Oct/Nov 2019
Solve the equation $\tan x = 2$ within $0^\circ \leq x \leq 360^\circ$.
Oct/Nov 2020
Solve $3\tan x = -4$ for $0^\circ \le x \le 360^\circ$.
Oct/Nov 2020
Solve $3(2 + \cos x) = 5$ for values of $x$ on $0^{\circ} \le x \le 360^{\circ}$.
Oct/Nov 2021
Solve $7\sin x + 2 = 0$ for values of $x$ in the interval $0^{\circ} \le x \le 360^{\circ}$.
Oct/Nov 2021
A pair of axes is displayed, with the $x$-axis extending from $0^{\circ}$ to $360^{\circ}$ and the $y$-values spanning from $-1$ to $1$.
Oct/Nov 2022
An axis diagram is displayed with $x$ running from 0 to 360 and $y$ running from -1 to 1.
Oct/Nov 2022
The diagram has $0^\circ$ to $360^\circ$ labelled along the $x$-axis, while the $y$-axis is scaled from $-1$ up to $1$.
Oct/Nov 2022
The diagram shows axes with $0^{\circ}$ to $360^{\circ}$ on the $x$-axis and values from $-1$ to $1$ on the $y$-axis.
Oct/Nov 2023
Work with the function $y=3\cos 2x^\circ$.
Oct/Nov 2023
The diagram depicts two right-angled triangles $PQS$ and $RQT$. $PQR$ and $QTS$ lie on straight lines. The diagram gives: $PS = 18$ cm; angle at $P$ is $28^\circ$; $SQ$ is vertical with a right angle at $Q$; $ST = 4$ cm; $QR = 9$ cm. NOT TO SCALE.
Oct/Nov 2024
Solve the equation $3\tan x + 5 = 1$ for values of $x$ in the interval $0^\circ \leq x \leq 360^\circ$.
Oct/Nov 2024
Find the solutions of $\tan x + 2 = 0$ for $0^\circ \leq x \leq 360^\circ$.
Oct/Nov 2024
Solve $\tan x=\frac{1}{\sqrt3}$ over $0^{\circ}\le x\le360^{\circ}$.
Oct/Nov 2025
Using the diagram, draw the graph of $y=\cos x$ for $0^{\circ}\leq x\leq360^{\circ}$.
Oct/Nov 2025