lilmarie9540
lilmarie9540
21-09-2018
Mathematics
contestada
factor and simplify 8cos^2x+cosx-9
Respuesta :
rohitkumargupta
rohitkumargupta
21-09-2018
HELLO DEAR,
GIVEN:-
8cos²x + cosx - 9
8cos²x + 9cosx - 8cosx - 9
cosx(8cosx + 9) - (8cosx + 9)
(cosx - 1)(8cosx + 9)
I HOPE ITS HELP YOU DEAR,
THANKS
Answer Link
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