2024-10-16 16:07:57 +00:00
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Given the formula $\sin(\alpha + \beta)$:
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2024-10-16 16:18:30 +00:00
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$$ \sin(\alpha + \beta) = \sin(\alpha)\cos(\beta) + \cos(\alpha)\sin(\beta) $$
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Given the formula $\cos(\alpha + \beta)$:
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2024-10-16 17:23:24 +00:00
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$$ \cos(\alpha + \beta) = \cos(\alpha)\cos(\beta) - \sin(\alpha)\sin(\beta) $$
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2024-10-23 02:41:27 +00:00
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Given the formula $\tan(\alpha + \beta)$:
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$$\frac{\alpha + \} \dfrac{\tan\alpha + \tan\beta}{1 - \tan\alpha\tan\beta} $$
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