1. Trigonometry: Missing Sides
Silent
Teacher
Intelligent Practice
Narration
Your Turn
12cm
𝑥cm
30°
16cm
𝑥cm
Example
30°

2. Worked Example
Your Turn
10cm
𝑥cm
10cm
𝑥cm

3. Worked Example
Your Turn
10cm
𝑥cm
𝑥cm
10cm

4. 12cm
𝑥cm
16cm
𝑥cm
16cm
𝑥cm
16cm
𝑥cm
60o
16cm
𝑥cm
60o
𝑥cm
60o
8cm

5. 𝑥cm 𝑥cm 𝑥=8cm 𝑥=6cm 𝑥cm 𝑥cm 𝑥=18.48cm 𝑥=32cm 𝑥cm 𝑥cm 𝑥=16cm 𝑥=32cm
60o
𝑥cm
𝑥cm
𝑥=32cm
𝑥=16cm
60o
60o
16cm
8cm

6. 𝑥cm 𝑥cm 𝑥cm 𝑥cm 𝑥cm 𝑥cm 8cm 16cm 16cm 16cm 60o 16cm 60o 8cm 60o
@mrbartonmaths

7. 𝑥cm 𝑥cm 𝑥=4.62cm 𝑥=9.24cm 𝑥=9.24cm 𝑥=27.71cm 𝑥cm 𝑥cm 𝑥cm 𝑥cm 𝑥=27.71cm
60o
𝑥cm
𝑥cm
𝑥cm
𝑥cm
𝑥=27.71cm
𝑥=13.856cm
60o
60o
16cm
8cm
@mrbartonmaths