sspkp9yfxy sspkp9yfxy
  • 11-01-2024
  • Mathematics
contestada

Given: cos(θ)=12/13
, find cos(2θ)
. Leave your answer in simplified fraction form.

Respuesta :

karmenchong karmenchong
  • 11-01-2024

Answer:

[tex]\frac{11}{13}[/tex]

Step-by-step explanation:

[tex]\boxed{cos(2\theta)=2cos\theta-1}[/tex]

[tex]cos(2\theta)=2(\frac{12}{13} )-1[/tex]

            [tex]=\frac{11}{13}[/tex]

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