Question

- Resolver a equação 2senx − 3 = 0

Answer 1

$\mathsf{2sen(x)-3=0}\\\mathsf{2sen(x)=3}\\\mathsf{sen(x)=\dfrac{3}{2}}\\\mathsf{\not\exists x\in\mathbb{R}}\\\mathsf{pois~~-1\leq sen(x)\leq 1}$