Forum Studenti •Disequazioni 8 es.16 (test Precorso n.23)

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Forum Studenti •Disequazioni 8 es.16 (test Precorso n.23)

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Disequazioni 8 es.16 (test Precorso n.23)

Inviato: lunedì 3 febbraio 2020, 18:26

da Tommaso

Buonasera; ho difficoltà nel viusalizzare e di conseguenza nell'impostare la disequazione sin x>=sin (2x+1);
come può essere trattata? Grazie in anticipo

Re: Disequazioni 8 es.16 (test Precorso n.23)

Inviato: martedì 21 aprile 2020, 15:00

da GIMUSI

Puoi utilizzare la formula somma-prodotto per ottenere la disequazione equivalente:

che dovrebbe essere più semplice da studiare considerando separatamente gli zeri e il segno dei fattori.

EDIT: riscrittura formula in latex