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12 questions from this quiz
Sides and angles
Longest side opposite the right angle
oppositehypotenuse\frac{\text{opposite}}{\text{hypotenuse}}hypotenuseopposite
adjacenthypotenuse\frac{\text{adjacent}}{\text{hypotenuse}}hypotenuseadjacent
oppositeadjacent\frac{\text{opposite}}{\text{adjacent}}adjacentopposite
Sine = Opposite over Hypotenuse
Tangent = Opposite over Adjacent
3-4-5
sin2A+cos2A=1\sin^2 A + \cos^2 A = 1sin2A+cos2A=1
Any angle
1625\frac{16}{25}2516
Cosine = Adjacent over Hypotenuse
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