contestada

Select all that apply.

Select the functions whose value is undefined.

sin 180°
cos 270°
csc 360°
tan 90°
cot 90°
sec 270°

Respuesta :

Values provided below

[tex]\\ \tt\longmapsto sin180=0[/tex]

[tex]\\ \tt\longmapsto cos270=cos90=0[/tex]

[tex]\\ \tt\longmapsto csc360=1/0=\infty[/tex]

[tex]\\ \tt\longmapsto tan90=\infty[/tex]

[tex]\\ \tt\longmapsto cot90=0[/tex]

[tex]\\ \tt\longmapsto sec270=\infty[/tex]

Note the rule

  • Sin and cos is never undefined for any value

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