Jika y=tan x , tunjukkan bahwa:cos 2x=(1-y^2)/(1+y^2)

Name: Jika y=tan x , tunjukkan bahwa:cos 2x=(1-y^2)/(1+y^2)
Uploaded: 2024-01-31T17:22:00
Duration: PT2M28.0667S
Description: Jika y=tan x , tunjukkan bahwa:cos 2x=(1-y^2)/(1+y^2)