Trigonometria Esempi

$P (t) = (v (m)) (c (m)) \cdot (\cos (x) \sin^{2} (w t)) - v m (c (m)) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 1

Moltiplica $c$ per $m$ .

$P (t) = v (m) (c m) \cdot (\cos (x) \sin^{2} (w t)) - v m (c (m)) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 2

Rimuovi le parentesi.

$P (t) = v (m) (c m) \cdot (\cos (x) \sin^{2} (w t)) - v m (c (m)) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 3

Moltiplica $c$ per $m$ .

$P (t) = v (m) (c m) \cdot (\cos (x) \sin^{2} (w t)) - v m (c m) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 4

Rimuovi le parentesi.

$P (t) = v (m) (c m) \cdot (\cos (x) \sin^{2} (w t)) - v m (c m) \cdot ((\sin (x) \sin (w t)) \cos (w t))$

Passaggio 5

Rimuovi le parentesi.

$P (t) = v (m) (c m) \cdot (\cos (x) \sin^{2} (w t)) - v m (c m) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 6

Scomponi $c m \sin (w t)$ da $v (m) (c m) \cdot \cos (x) \sin^{2} (w t) - v m (c m) \cdot \sin (x) \sin (w t) \cos (w t)$ .

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Passaggio 6.1

Scomponi $c m \sin (w t)$ da $v (m) (c m) \cdot \cos (x) \sin^{2} (w t)$ .

$P (t) = c m \sin (w t) (v (m) \cdot (\cos (x) \sin (w t))) - v m (c m) \cdot (\sin (x) \sin (w t) \cos (w t))$

Passaggio 6.2

Scomponi $c m \sin (w t)$ da $- v m (c m) \cdot \sin (x) \sin (w t) \cos (w t)$ .

$P (t) = c m \sin (w t) (v (m) \cdot (\cos (x) \sin (w t))) + c m \sin (w t) ((- v m) \cdot (\sin (x) \cos (w t)))$

Passaggio 6.3

Scomponi $c m \sin (w t)$ da $c m \sin (w t) (v (m) \cdot \cos (x) \sin (w t)) + c m \sin (w t) ((- v (m)) \cdot \sin (x) \cos (w t))$ .

$P (t) = c m \sin (w t) (v (m) \cdot (\cos (x) \sin (w t)) + (- v m) \cdot (\sin (x) \cos (w t)))$

$P (t) = c m \sin (w t) (v (m) \cos (x) \sin (w t) + (- v m) \cdot (\sin (x) \cos (w t)))$

Passaggio 7

Moltiplica $- v$ per $m$ .

$P (t) = c m \sin (w t) (v (m) \cos (x) \sin (w t) - v m \sin (x) \cos (w t))$