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10 cards from this deck
Relationships between sides & angles in right-angled triangles
oppositehypotenuse\frac{opposite}{hypotenuse}hypotenuseopposite
adjacenthypotenuse\frac{adjacent}{hypotenuse}hypotenuseadjacent
oppositeadjacent\frac{opposite}{adjacent}adjacentopposite
Longest side, opposite the right angle
Side next to the angle (not the hypotenuse)
Side across from the angle you're working with
sin\sinsin=Opp/Hyp, cos\coscos=Adj/Hyp, tan\tantan=Opp/Adj
Find an angle from a ratio
Degree mode (look for 'D' symbol on display)
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