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13-04-2020
Mathematics

contestada

If sec
o =
1/cos o
Cos, what is cos
o?

Respuesta :

13-04-2020

Given: sec0=1, secX=1/cosX

we hv to find cos0,

We Have given:

SecX = 1/cosX

multiply cosX both side to get

secX × cos X =cosX /cos X

i.e, secX × cosX = 1

Relace X by '0', coz we hv to find for this angle

so equation becomes

sec0 × cos 0 = 1

given sec 0 = 1

i.e, 1 × cos 0 = 1

i.e, cos 0 = 1

✌️:)

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