Chapter+12+-+Trig+applications

Sine & Cosine rule - 12 B & 12 C (Cosine rule starts from 9 mins 30)
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= Radians, arc length and area of a sector - 12 E = media type="youtube" key="RAdTpC51nSE" width="561" height="323"

= Area of a segment of a circle - 12 E =

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