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1.5.10 Trigonometric identities

Card 1 of 20

What does sin⁡2θ\sin^2\thetasin2θ mean?

A

(sin⁡θ)2(\sin\theta)^2(sinθ)2, not sin⁡(θ2)\sin(\theta^2)sin(θ2).

B

cos⁡θ=45\cos\theta=\frac45cosθ=54​.

C

sin⁡θ\sin\thetasinθ

D

The tangent identity is tan⁡θ≡sin⁡θcos⁡θ\boxed{\tan\theta\equiv\frac{\sin\theta}{\cos\theta}}tanθ≡cosθsinθ​​.

Card 1 of 20

1.5.10 Trigonometric identities Flashcards

  1. A Level
  2. /Maths
  3. /1.5.10 Trigonometric identities

20 flashcards on OCR A Level Maths 1.5.10 Trigonometric identities: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards