Trigonometry

CoreMaths revision

Trigonometry

Build exact-value, equation and graph fluency across sine, cosine and tangent.

Open calculator

Focus points

✓Use exact trigonometric values.

✓Solve trigonometric equations.

✓Read amplitude and period from graphs.

orin

Orin

The Wise Owl

Guides study flow, revision planning, and calmer focus sessions.

Practice set

Question lineup

Try each question first, reveal a hint when you need one, then check the worked answer. Mark them done as you go — finish the set to claim your chips.

8 revision questions

Question 1FluencyCore

Original practice · Free Online Revision

Skill · exact values

Find sin 30°, cos 60° and tan 45° exactly.

Question 2FluencyCore

Original practice · Free Online Revision

Skill · reference angles

Find sin 150° exactly.

Question 3FluencyCore

Original practice · Free Online Revision

Skill · trig equation

Solve sin x=1/2 for 0°≤x≤360°.

Question 4FluencyCore

Original practice · Free Online Revision

Skill · trig equation

Solve cos x=−√2/2 for 0°≤x<360°.

Question 5FluencyCore

Original practice · Free Online Revision

Skill · trig equation

Solve tan x=1 for 0°≤x<360°.

Question 6FluencyCore

Original practice · Free Online Revision

Skill · trig graphs

State amplitude and period of y=3sin(2x) when x is in degrees.

Question 7FluencyCore

Original practice · Free Online Revision

Skill · identity

Simplify sin²x+cos²x.

Question 8ReasoningStretch

Original practice · Free Online Revision

Skill · ratio connection

If sin θ=3/5 and θ is acute, find cos θ and tan θ.