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10 questions from this quiz
Missing angles when we know two sides
Right-angled triangle
sinx°=oppositehypotenuse\sin x° = \frac{\text{opposite}}{\text{hypotenuse}}sinx°=hypotenuseopposite
cosx°=adjacenthypotenuse\cos x° = \frac{\text{adjacent}}{\text{hypotenuse}}cosx°=hypotenuseadjacent
tanx°=oppositeadjacent\tan x° = \frac{\text{opposite}}{\text{adjacent}}tanx°=adjacentopposite
Longest side, opposite the right angle
Cosine = Adjacent ÷ Hypotenuse
Find an angle from a ratio
Degree mode (look for 'D' symbol)
The tan−1\tan^{-1}tan−1 function
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