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136 bytes added ,  18:00, 1 August 2014
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#Activity No #1
 
#Activity No #1
 
For History of Trigonometry [http://en.wikipedia.org/wiki/History_of_trigonometry click here]
 
For History of Trigonometry [http://en.wikipedia.org/wiki/History_of_trigonometry click here]
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#Activity No #2
 +
For History of Trigonometry slideshow [http://www.slideshare.net/rashidivya/trigonometry-maths-school-ppt-2 click here]
    
=='''Angle of rotation'''==
 
=='''Angle of rotation'''==
86

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