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Trigonometric Identities

 

We have compiled Preliminary Mathematics Extension 1 – on Trigonometric Identities Youtube Videos on to one page. Stop wasting your valuable time on searching for the right Trigonometric Identities video. Hoping the following videos will help out.

   

Sums and Difference Expansions cos(A-B)

 

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Sums and Difference Expansions cos(A-B) – How to use the sums and difference expansions of trigonometric ratios

 

Further Trigonometry (Cambridge "Show" Question)

 
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Video Description

Further Trigonometry (Cambridge “Show” Question) – A question sent to me from the new Year 11 Cambridge book from the Further trig exercises. A few tips on questions which ask you to “show” a particular result.

 

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