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Solve the equation in the interval from 270° to 810°

Your answer should be in degrees

cos(x)=1

Choose all answers that apply

A. 0°

B.90°

C.360°

D.540°


E. 720°



F.1080°

Respuesta :

whythisneeds

Answer:

the answer should be C,E please give brainliest

Step-by-step explanation

mathmate

Answer:

C. 360

E. 720

Step-by-step explanation:

note: 2pi radians = 360 degrees.

Cos(x) = 1  whenever x = 2k pi where k is an integer, thus

This translates to

cos(x) = 1 when x=0, 360, 720, 1080, ... degrees.

Between 270 and 810, the angles that satisfy cos(x) = 1 are

360 and 720.

So choose C and E

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