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Esercitazione di Matematica 0 del 20/12/2004 Corso del prof ...

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[2d]<br />

[2a] 0 [2b] cos 2 (α) [2c] 0<br />

1<br />

cos 2 (α)<br />

[2e] sin(α) [2f] 0<br />

[3a] x = π 3 +2kπ , 2π<br />

3 +2kπ [3b] x = 2kπ , ±2π 3 +2kπ [3c] x = π+2kπ , ±π 3 +2kπ<br />

[3d] x = ± π 4 + 2kπ [3e] x = kπ , ±π 3 + 2kπ [3f] x = π 6 + 2kπ , π<br />

3 + 2kπ<br />

[3g] x = π 4 + kπ<br />

[3h] x = kπ , π<br />

6 + kπ [3i] x = kπ , π<br />

4 + kπ<br />

[4a] − π 3 +2kπ < x < π 3 +2kπ [4b] π 3 +2kπ < x < π 2 +2kπ ∪ 3π 2 +2kπ < x < 5π 3 +2kπ<br />

[4c] π 6 +2kπ < x < 5π 6<br />

+2kπ ∪ π+2kπ < x < 2π+2kπ [4d]<br />

−5π 6 +2kπ < x < π 6 +2kπ<br />

[4e] 2kπ < x < 2π 3 + 2kπ<br />

[4g] π 6 + kπ < x < 5π 6 + kπ<br />

[4f] π + 2kπ < x < 2π + 2kπ<br />

[4h] π<br />

4 + 2kπ < x < 7π 4 + 2kπ<br />

[4i] π + 2kπ < x < 7π 6 + 2kπ ∪ 3π 2<br />

+ 2kπ < x <<br />

11π<br />

6 + 2kπ

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