Changes

#For more about trigonometry click [http://www.sosmath.com/trig/trig.html here]

#For more about trigonometry click [http://www.sosmath.com/trig/trig.html here]

#[https://www.khanacademy.org/math/trigonometry| trigonometry: khan academy}

#[https://www.khanacademy.org/math/trigonometry| trigonometry: khan academy}

#[http://www.mathsisfun.com/algebra/trigonometry.html - fundamentalconcept of angle in trignometry] this web describes trignoometrical functions

#[http://www.mathsisfun.com/algebra/trigonometry.html - fundamental concept of angle in trigonometry] this web describes trigonoometrical functions

# videos on trignometry from youtube which will give basic ideas

# videos on trigonometry from you tube which will give basic ideas

{{#widget:YouTube|id=T8B8Tcz8kog}}

{{#widget:YouTube|id=T8B8Tcz8kog}}

{{#widget:YouTube|id=1I7Jp62sGXM}}

{{#widget:YouTube|id=1I7Jp62sGXM}}

{{#widget:YouTube|id=0UM5xzerIC0}}

{{#widget:YouTube|id=0UM5xzerIC0}}

#slide share about trignomety and its application   

#slide share about trigonomety and its application   

  {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/32928126 |width=450 |height=360 |border=1  }} {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/22551159 |width=450 |height=360 |border=1  }} {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/32096288 |width=450 |height=360 |border=1  }}

  {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/32928126 |width=450 |height=360 |border=1  }} {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/22551159 |width=450 |height=360 |border=1  }} {{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/32096288 |width=450 |height=360 |border=1  }}

==Reference Books==

==Reference Books==

For more detailsof trigonometry see these trigonometry reference books.

For more details of trigonometry see these trigonometry reference books.

#Text Book of Mathematics Preuniversity Karnataka Government

#Text Book of Mathematics Pre university Karnataka Government

#Trigonometry, I.M. Gelfand, Mark Saul

#Trigonometry, I.M. Gelfand, Mark Saul

#Trigonometry Refresher (Dover Books on Mathematics), A. Albert Klaf, Mathematics

#Trigonometry Refresher (Dover Books on Mathematics), A. Albert Klaf, Mathematics

For History of Trigonometry [http://en.wikipedia.org/wiki/History_of_trigonometry click here] <br>

For History of Trigonometry [http://en.wikipedia.org/wiki/History_of_trigonometry click here] <br>

Activity No.2

Activity No.2

For History of Trigonometry slideshow [http://www.slideshare.net/rashidivya/trigonometry-maths-school-ppt-2 click here]

For History of Trigonometry slide show [http://www.slideshare.net/rashidivya/trigonometry-maths-school-ppt-2 click here]

=='''Angle Measurement'''==

=='''Angle Measurement'''==

#Activity No #1[[trigonometry_Angle Measurement _activity 1 | Introducing units of angle measurements]]

#Activity No #1[[trigonometry_Angle Measurement _activity 1 | Introducing units of angle measurements]]

#Activity No #2[[trigonometry_Angle Measurement _activity 2 | Interconversion between degree measurement and angle measurement]]

#Activity No #2[[trigonometry_Angle Measurement _activity 2 | Interconversion between degree measurement and angle measurement]]

#Activity No #3 Angle of elevation and angle of depression

#Activity No #3 [[Angles of elevation and depression|Angle of elevation and angle of depression]]

==''' Introduction to Trigonometric Ratios '''==

==''' Introduction to Trigonometric Ratios '''==

===Learning objectives===

===Learning objectives===

* Identifying the opposite side, adjacent side, and hypotenuos of a right -angle triangle.

* Identifying the opposite side, adjacent side, and hypotenous of a right -angle triangle.

* Understanding the concept of different Trigonometric ratios.

* Understanding the concept of different Trigonometric ratios.

*Record the times and measurements [with units]

*Record the times and measurements [with units]

*Draw the right triangle in this scenario.

*Draw the right triangle in this scenario.

*label the sides of your drawing with your mesurements and angle of elevation

*label the sides of your drawing with your measurements and angle of elevation

*Solve for the angle of elevation while clearly showing all your steps<br> '''Note for teachers'''<br> Don't forget that you need to do the procedure above twice for two different times of a day.

*Solve for the angle of elevation while clearly showing all your steps<br> '''Note for teachers'''<br> Don't forget that you need to do the procedure above twice for two different times of a day.