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Sagot :
Para simplificar la expresión [tex]\(\operatorname{sen}^2 x + \cos^2 x\)[/tex], utilizamos una conocida identidad trigonométrica fundamental que nos dice que:
[tex]\[ \operatorname{sen}^2 x + \cos^2 x = 1 \][/tex]
Esta identidad es válida para todos los valores de [tex]\(x\)[/tex]. Por lo tanto, al simplificar la expresión [tex]\(\operatorname{sen}^2 x + \cos^2 x\)[/tex], obtenemos:
[tex]\[ 1 \][/tex]
Entonces, la respuesta correcta es:
D. 1
[tex]\[ \operatorname{sen}^2 x + \cos^2 x = 1 \][/tex]
Esta identidad es válida para todos los valores de [tex]\(x\)[/tex]. Por lo tanto, al simplificar la expresión [tex]\(\operatorname{sen}^2 x + \cos^2 x\)[/tex], obtenemos:
[tex]\[ 1 \][/tex]
Entonces, la respuesta correcta es:
D. 1
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