kosalai17 kosalai17

30-07-2022
Mathematics

contestada

(sin alpha +cos alpha )2

Respuesta :

binitas766 binitas766

30-07-2022

Step-by-step explanation:

sin alpha^2 + 2sin alpha* cos alpha + cos alpha^2

sin alpha^2 + cos alpha^2 +2sin alpha* cos alpha

1+ 2sin alpha* cos alpha

1+sin2 alpha

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