Упростите: \(\frac{\tg({\frac{\pi}{4}+x)}-\tg{x}}{1+\tg({\frac{\pi}{4}+x)}\cdot\tg{x}}\)

• 1
• \(\tg{2x}\)
• \(\tg{(\frac{\pi}{4}-2x)}\)
• \(\tg{(\frac{\pi}{4}+x)}\)