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What sign does a clockwise rotation give an angle?

A

cos⁡θ=0\cos\theta=0cosθ=0, giving a zero denominator.

B

90∘+180∘n90^\circ+180^\circ n90∘+180∘n, where nnn is any integer.

C

A negative angle.

D

For P(x,y)P(x,y)P(x,y) on the terminal arm with x≠0x\ne0x=0, tan⁡θ=yx\boxed{\tan\theta=\frac{y}{x}}tanθ=xy​​.

Card 1 of 20

1.7.2 Definitions of sin, cos and tan for any angle Flashcards

  1. A Level
  2. /Maths
  3. /1.7.2 Definitions of sin, cos and tan for any angle

20 flashcards on OCR (MEI) A Level Maths 1.7.2 Definitions of sin, cos and tan for any angle: the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.

Flashcards