4024_s05_qp_1
11X1 T04 07 three dimensional trigonometry (2010)
11 x1 t04 07 3d trigonometry (2012)
Chap 7 selection procedure for bearing
1. Measured from North. 2. In a clockwise direction. 3. Written as 3 figures. N S EW N S EW N S EW 060 o 145 o 230 o 315 o 60 o 145 o 230 o 315 o Bearings.
Shape Names Diameter Tangent Chord Radius. Line Names Perpendicular means 90 0 Parallel means never touches.
November 2009 Paper 3
Building Blocks 1
ForPrint1
Bearings. 1. Measured from North. 2. In a clockwise direction. 3. Written as 3 figures. N S EW N S EW N S EW 060 o 145 o 230 o 315 o 60 o 145 o 230 o.
NORTH0º NORTH EAST 045º. NORTH0º 045º NORTH0º NORTH WEST 315º.
© T Madas. The Cosine Rule © T Madas A B C a b c a2a2 = b2b2 + c2c2 – 2 b ccosA b2b2 = a2a2 + c2c2 – 2 a ccosB c2c2 = a2a2 + b2b2 – 2 a bcosC The cosine.
