Question

if cos A = 4/5 , then the value of tan A is : ​

Answer 1

Answer:

Cos theta = 4/5 = B/H

Therefore, Tan theta = P/B= 3/4.

Answer 2

Answer:

$sec \: a = \frac{5}{4} \\ tan \: \: a = \sqrt{ {sec}^{2} a - 1} \\ \sqrt{ \frac{25}{16} - 1 } \\ = \frac{3}{4}$