Basics Concepts of Trigonometry

This class includes the following :

1. Basic understanding of Trigonometry

a. Background History and what are the trigonometrical identities

2. Basic formulas of Trigonometry

a. Explanation on sin,cos, tan and cot, sec, cosec

b. Identifying base, hypotenuse and perpendicular as per angle

c. Identities as the reciprocal of each other

d. Inter-relations among the identities

3. Solving problems with basic formulas to strengthen the basic understanding

a. Find the missing side, angle, establishing relation betn angles & sides by use of trigonometry

b. Some practical use of trigonometry ( Height and distance problem introduction)

c. How to use trigonometrical identities to establish/derive other trigonometrical expressions

d. Discussing graphs for different trigonometrical identities

e. Values for basic trignometrical identities on five standard angles

4. Natures of different trigonometric identities on different quadrants of plane. 

a. Determining the quadrants for different trigonometrical identities

b. Inter - conversion of trigonometrical identities involving complementary angles of a triangle

c. Determination of signs of trigonometric identity in a given quadrant