CONTENT:
All the topics listed for geometry as well as:
Sine and cosine formulae  simple practical applications; trigonometrical formulae for the area of a triangle; latitude and longtitude; distances on the earth's surface treated as that on a sphere.

SPECIFIC OBJECTIVES: The student should be able to:

1. 
Determine the trigonometrical functions of angle θ° for 360° ≤θ ≤ 360°;

2. 
recognize and use the trigonometrical ratios of special angles, for example, 30° 45° and 60° in the fractional or surd form;

3. 
Use the sine and cosine formulae in the solution of problems involving triangles (the ambiguous cases will be excluded);

4. 
Calculate the area of a triangle given two sides and the included angle by means of the formula:
Area of ΔABC = ½ab sin C;

*5. 
draw the graphs of the circular fuunctions sine, cosine adn tangent of θ° for 360° ≤θ ≤ 360°;

*6. 
Solve practical problems involving heights and distances in threedimensional situations;

*7. 
Calculate the distance between two points on the earth, treated as a sphere, measured along parallels of latitude or meridians;

*8. 
Determine the latitude and longtitude of a point on the earth's surface given it's distance from another point on the same parallell of latitude or on the same meridian.

* Optional objectives

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