Question

Select the correct answer from the drop down menu in this triangle ,the product of tan a and tan c is

Answer 1

Step-by-step explanation:

$\tan A = \frac{BC }{AB} \: \\ \\ \tan C = \frac{AB}{BC} \\ \\ \therefore \: \tan A \times \tan C = \frac{BC }{AB} \times \frac{AB}{BC} \\ \\ \purple{ \boxed{ \therefore \: \tan A \times \tan C = 1}}$