Non Right Angled Trigonometry
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Episode 1 - Right-angled Trigonometry (16:38)
Episode 2 - Angles of Elevation and Depression (16:35)
Episode 3 - Compass and True Bearings (16:44)
Episode 4 - Trigonometry with Obtuse Angles (07:51)
Episode 5 - Area of a Triangle (07:50)
Episode 6 - The Sine Rule (11:00)
Episode 7 - The Cosine Rule (13:21)
Episode 8 - Radial Surveys (11:11)