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1.10.3 Magnitude and direction of vectors

Which formula gives the magnitude of (xy)\begin{pmatrix}x\\y\end{pmatrix}(xy​)?

A

∣a∣=x2+y2|\mathbf{a}|=\sqrt{x^2+y^2}∣a∣=x2+y2​

B

In the fourth quadrant, the direction is θ=360∘−α\boxed{\theta=360^\circ-\alpha}θ=360∘−α​.

C

Third quadrant

D

Fourth quadrant

1.10.3 Magnitude and direction of vectors Flashcards

  1. A Level
  2. /Maths
  3. /1.10.3 Magnitude and direction of vectors

Flashcards for OCR A Level Maths 1.10.3 Magnitude and direction of vectors, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 23 cards, matched to the OCR A Level Maths (H240) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.