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Core 2 AS level maths formulae OCR

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C3 - Formulae to learn

Description

OCR Mathematics Core 3

Flashcards by Tech Wilkinson, updated more than 1 year ago

	Created by Tech Wilkinson over 11 years ago

281

(3)

Resource summary

Question	Answer
$\sec \theta$	$\frac{1}{\cos \theta}$
$\mathrm{cosec} \theta$	$\frac {1}{\sin \theta}$
$\cot \theta$	$\frac{1}{\tan \theta}$
$\sec^2 \theta$	$1 + tan^2 \theta$
$\mathrm{cosec}^2 \theta$	$1 + \cot^2 \theta$
$\sin 2A$	$2 \sin A \cos A$
$\cos 2A$ = $2 \cos^2 A-1$	$\cos^2 A - sin^2 A$ = $1-2 \sin^2 A$
$\tan 2A$	$\frac {2 \tan A}{1 - \tan^2 A}$

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