More guides on this topic

• Working with trigonometric relationships in degrees
• Calculating the area of a triangle using trigonometry
• Using the sine and cosine rules to find a side or angle in a triangle
• Using bearings in trigonometry
• Video playlist

Related links

• Jobs that use Maths
• BBC Podcasts: Maths
• BBC Radio 4: Maths collection
• BBC Skillswise
• SQA National 5 Maths
• NRICH Maths Club
• GOV.UK
• Emaths