Match each function with its double-angle formula. (a) sin 2u (i) 1 2 sin2 u (b) cos 2u
Chapter 6, Problem 7(choose chapter or problem)
Match each function with its double-angle formula.
(a) sin 2u (i) \(1-2 \sin ^{2} u\)
(b) cos 2u (ii) 2 sin u cos u
(c) tan 2u (iii) \(\frac{2 \tan u}{1-\tan ^{2} u}\)
Text Transcription:
1 − 2 sin^2 u
2 tan u / 1 − tan^2 u
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