Maths — Pure 3
19 cards for “Compound & Double Angle Formulae” in Trigonometry — the deck as imported, SME deck order.
\sin \left(A + B\right) \equiv \sin A \cos B + \_\_\_\_\_\_
\cos \left(A + B\right) \equiv \cos A \cos B - \_\_\_\_\_\_
tap the card to flip