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1.7.21 Use identities to solve equations (A-level only)

Card 1 of 21

What is the first goal when using an identity to solve a trigonometric equation?

A

When cos⁡x=0\cos x=0cosx=0.

B

Rewrite it using one trigonometric function or a factorised form.

C

When sin⁡x=0\sin x=0sinx=0.

D

Rcos⁡α=aR\cos\alpha=aRcosα=a and Rsin⁡α=bR\sin\alpha=bRsinα=b.

Card 1 of 21

1.7.21 Use identities to solve equations (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /1.7.21 Use identities to solve equations (A-level only)

21 flashcards on OCR (MEI) A Level Maths 1.7.21 Use identities to solve equations (A-level only): the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.

Flashcards