What degree-radian equivalence represents half a turn?
At x=nπx=n\pix=nπ, where nnn is an integer.
180∘=π180^\circ=\pi180∘=π radians.
(cosθ,sinθ)(\cos\theta,\sin\theta)(cosθ,sinθ).
π\piπ radians, or 180∘180^\circ180∘.
Flashcards for WJEC A Level Maths 1.5.3 Trigonometry, covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 27 cards, matched to the WJEC A Level Maths (1300QS) 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.