Question

sin A + sin B + sin(A + B)÷
sin A + sin B - sin(A + B)​
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Good Morning (_-_)

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Answer 1

Answer:

sinnA+sin B + sin (. a + b )

Answer 2

$\large{\underline{\underline{\bold{\red{\sf{Bonjour !}}}}}}$

answer in attachment^^

$\large{\bold{\blue{\sf{thanks}}}}$