Question

5tan²45°+2sec²45° calcular los valores de la expresión ​

Answer 1

5 tan² 45 + 2 sec² 45

$5 \times \frac{ {1}^{2} }{ {1}^{2} } + 2 \times \frac{ { \sqrt{2} }^{2} }{ {1}^{2} } \\ \\ 5 + 2 \times 2 \\ \\ 5 + 4 \\ \\ 9$