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3:43
YouTube
We Teach Academy Maths
How to Derive The Formula For Sin 2A - Maths / Trigonometry
Chapter : Trigonometric Ratios Upto Transformations Lesson : Trigonometric Ratios Of Multiple & Sub-Multiple Angles For More Information & Videos visit http://WeTeachAcademy.com Subscribe to My Channel: https://www.youtube.com/user/WTAMaths?sub_confirmation=1 Check out more videos: https://www.youtube.com/user/WTAMaths/videos Do Like & Share ...
21.6K views
Jul 20, 2014
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