提问
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变量说明
a= legb= other legc= hypotenuseA= areaα,β= acute angles
Pythagorean theorem
Relationship between the three sides.
…
Area
Half the product of the two legs.
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Trigonometric ratios
SOH-CAH-TOA for angle α (opposite side a).
sin α
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cos α
…
tan α
…
Angle from sides
Find an angle when all sides are known.
Angle α
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Angle β
…
a= leg
b= other leg
c= hypotenuse
A= area
α,β= acute angles
Deep Dive
Read the full guide on how to use this calculator effectively
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