July 2023 0 4 Report
Wykaż, że dla każdego n ∈ N \ {0} podane równości są tożsamościami.
a) [tex]\frac{1-tg^{2n}x}{1-ctg^{2n}x}=-\frac{tg^nx}{ctg^nx}[/tex]
b) [tex]\frac{1-ctg^{2n}x}{1-tg^{2n}x}=-\frac{ctg^nx}{tg^nx}[/tex]

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