Задача 78979 2sina-4cosa/2sina-16cosa=4, если tga=? ...

675ff72a81699f399ffe47eb

12/16/2024 9:50:41 AM

2sina-4cosa/2sina-16cosa=4, если tga=?

5f3eaa23faf909182968dde0

12/16/2024 11:01:49 AM

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2sin α -4cos α =4(2sin α -16cos α ),
2sin α -4cos α =8sin α -64cos α ,
6sin α =60cos α ,
sin α -10cos α ,
(sin α )/(cos α )=10,
tg α =10.