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dominio 4x
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Solution
−∞<x<∞
+1
Interval Notation
(−∞,∞)
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Solution steps
Solve by:
One step at a time
cos(x)1−sin(x)=sec(x)+tan(x)
Manipolando il lato destro
sec(x)+tan(x)
Esprimere con sen e cos
=1+sin(x)cos(x)
Riscrivere utilizzando identità trigonometriche
=cos(x)1−sin(x)
Abbiamo mostrato che i due lati possono prendere la stessa forma