iparker61 iparker61

22-02-2021
Mathematics

contestada

sec^-1(1) find exact value

Respuesta :

25-07-2021

Answer:

Solution given:

we have

let angle be x

secx=1

1/cosx=1

1=Cosx

x=Cos-¹(1)

x=0°,360°

the exact value is 0° or 360°

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