Trigonometry

The Story of Mathematics

Philosophy of Mathematics

Teaching of Mathematics

Curriculum and Syllabus

Topics in School Mathematics

Textbooks

Question Bank

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Concept Map

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Textbook

For NCERT Text book Please click here
For TAMILNAADU Text book click here and here

Additional Information

Useful websites

1. Trigonometry on wikipedia click here
2. - fundamentalconcept of angle in trignometry this web describes trignometrical functions
3. video on trignometry from youtube

Teaching Outlines

History of Trignometry

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activities

1. Activity No #1
2. Activity No #2

Angle of rotation

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activities

1. Activity No #1
2. Activity No #2

Introduction to Trignometric functions

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activities

1. Activity No #1
2. Activity No #2

Trignometric ratio with angles

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activities

1. Activity No #1
2. Activity No #2

Aplication of Trignometry

Notes for teachers

These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.

Activities

1. Activity No #1
2. Activity No #2

Hints for difficult problems

Problem-1

prove that ${\frac {1-\tan ^{2}A}{1+\tan ^{2}A}}=1-\sin ^{2}A$

Math Fun

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