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Estudos Gerais04/29/2024

Determine os valores de: a)

Determine os valores de: a) y=3cos5402sen90+tg180y=3 \cos 540^{\circ}-2 \operatorname{sen} 90^{\circ}+\operatorname{tg} 180^{\circ} b) y=4sen9002cos630+sen720y=4 \operatorname{sen} 900^{\circ}-2 \cos 630^{\circ}+\operatorname{sen} 720^{\circ}

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