Question

please please solveb it​

Answer 1

Answer:

0

explanation:

$\frac{1 + {tan}^{2}45 }{1 + {tan}^{2} 45} = \frac{1 - {1}^{2} }{1 + {1}^{2} } \\ \\ \: \frac{1 - 1}{1 + 1} = \frac{0}{2} = 0 \\ \\ i \: hope \: this \: help \: you$

welcome