Edexcel IAL Math M1 Jan 17 part 1

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There is a mistake at 27:36, (7.sin60) over 6.6 and not over 67.5

ramenyoun
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Sir please upload more c12, thank you!

jayasrirajendra
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At 22:17 what if two vectors are perpendicular to each other??

itsbuddy
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Your video is not clear.I cannot identify your writings.

captainclaw-ik