Formula:2461

Digital Library of Mathematical Functions ID 4.42.E2

${\displaystyle{\displaystyle\cos A=\frac{b}{c}=\frac{1}{\sec A},}}$

Symbols List

• ${\displaystyle{\displaystyle\cos\NVar{z}}}$: cosine function
• ${\displaystyle{\displaystyle\sec\NVar{z}}}$: secant function
• ${\displaystyle{\displaystyle A}}$: angle
• ${\displaystyle{\displaystyle b}}$: base
• ${\displaystyle{\displaystyle c}}$: hypotenuse
 

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