Question

Si Senx = 3/5. Halle Sen2x

Answer 1

Respuesta:

sen2x = 24/25

Explicación paso a paso:

cos²x = 1 - sen²x

cos²x = 1 - (3/5)²

coss²x = 1 - 9/25

cos²x = (25 - 9)/25

cos²x = 16/25

cosx = 4/5 , Suponto -90° < x < 90°

sen2x = 2senx.cosx

sen2x = 2. 3/5 . 4/5

sen2x = 24/25