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HSF.TF.C.9 Tutor Intake — Angle Addition and Double Angle Formulas

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Grade 9·14 problems·~18 min·Common Core Math - HS Functions·group·hsf-tf-c-9

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Concepts

What is the correct formula for $\tan(A + B)$ ?

$\tan(A + B) = \tan A + \tan B$

$\tan(A + B) = \dfrac{\tan A - \tan B}{1 + \tan A \tan B}$

$\tan(A + B) = \dfrac{\tan A + \tan B}{1 - \tan A \tan B}$

$\tan(A + B) = \tan A \cdot \tan B$