Trigonometry Addition Formulae and Exact Values

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Continuing with trigonometry, this video looks at addition formulae as well as exact values for sin, cos and tan.

Enjoy!

  1. Starfish Maths
  2. AS
  3. Maths
  4. MEI
  5. OCR
  6. level
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Комментарии
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Wow I thank God for the amazing ability that he's given you to be able to make difficult things look easier.

Thabang_Kgatla
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Wow this surprisingly helped me more than my prof. Only if More people taught the way you did, many teachers rush thru the Course and try to end it. You on the other hand explain each and every point Thoroughly. Thanks a ton and keep going!

moonman____
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Can you please cover all topics in AS and A level maths will help alot.

danyalaliramezani
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great video, can you make a differentiation
video for A2?

ayihanhaq
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The way you divided the formula for deriving the final form of tan, by dividing all top and bottom amounts by "cosA(cosB)", what is this method of division called?

Chrisymcmb