Exact Trig Values - GCSE Maths

A video explaining how find and use the exact trig values for 0°, 30°, 45°, 60°, 90°. This is suitable for both higher and foundation GCSE.

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0:00 Intro
0:10 Which values do you need to learn?
0:42 How to memorise all of the values
5:13 1 mark exam questions (usually on foundation)
5:45 Using exact values with SOHCAHTOA - Example 1
7:22 Using exact values with SOHCAHTOA - Example 2
8:43 Deriving the values of sin(45), cos(45) and tan(45)
11:24 Deriving the values of sin(30), cos(30) and tan(30)
11:35 Deriving the values of sin(60), cos(60) and tan(60)
14:18 Deriving the values of sin(90), cos(90) and tan(90)
17:13 Deriving the values of sin(0), cos(0) and tan(0)

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