Sin, Cos, Tan
Transformations
Solving trig equations
Unit Circle
World Cup 2026
Aussie Trivia
100

What is sin(30°)?

0.5

100

What transformation does y = sin(x) + 3 represent?

Vertical translation up 3 units

100

Solve sin(x) = 0 for 0° ≤ x ≤ 360°.

x = 0°, 180°, 360°

100

x = 60°, 300°

1

100

Which three countries are co-hosting the 2026 FIFA World Cup?

USA, Mexico, and Canada

100

Which desert is the largest in Australia?

The Great Victoria Desert

200

What is cos(60°)?

0.5

200

What transformation does y = cos(x − 45°) represent?

Horizontal translation right 45°

200

Solve cos(x) = 1 for 0° ≤ x ≤ 360°.

 x = 0°, 360°

200

What is the coordinate of the point at 0° on the unit circle?


(1,0)

200

How many teams are competing in the 2026 World Cup, up from 32 in 2022?

 48 teams

200

Who was Australia's first Prime Minister?

Edmund Barton

300

What is tan(45°)?

1

300

In y = a·sin(x), what does 'a' control?

The amplitude (vertical dilation)

300

Solve tan(x) = 1 for 0° ≤ x ≤ 360°.

 x = 45°, 225°

300

What is the coordinate of the point at 90° on the unit circle?

(0,1)

300

In which city was the opening match of the 2026 World Cup played (Mexico vs South Africa)?

Mexico City (Estadio Azteca / Mexico City Stadium)

300

Which Australian city was the country's capital before Canberra was built?

Melbourne

400

If sin(θ) = 0.5 for 0° ≤ θ ≤ 90°, find θ

30°

400

Describe the transformation from y = cos(x) to y = cos(2x).

Horizontal dilation by factor 1/2 — the period is halved (360° → 180°) - Graph is compressed

400

Solve sin(x) = 0.5 for 0° ≤ x ≤ 360° (give both solutions).

 x = 30°, 150°

400

On the unit circle, what does the y-coordinate of a point represent?

The sine value of the angle

400

Which group was Australia placed in at the 2026 World Cup, alongside the USA?

Group D (with USA, Paraguay, and Türkiye)

400

What is the highest mountain on the Australian mainland?

Mount Kosciuszko

500

Find the exact value of tan(60°).

√3 (approx 1.73)

500

Write the equation for a sine graph reflected in the x-axis with amplitude 4.

−4 sin(x)

500

Solve 2cos(x) − 1 = 0 for 0° ≤ x ≤ 360°.

x = 60°, 300°

500

What is the coordinate of the point at 180° on the unit circle?

(−1, 0)

500

In which stadium and city is the 2026 World Cup Final being played on July 19?

MetLife Stadium, East Rutherford, New Jersey (New York New Jersey Stadium)

500

Which Australian Prime Minister mysteriously disappeared while swimming in 1967?

Harold Holt