531929
Description
Flashcards by Tech Wilkinson, updated more than 1 year ago
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Created by Tech Wilkinson
almost 12 years ago
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| 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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