Question

If cos A = 4/5, then tan A = ?​

Answer 1

Answer:

if cosa=4/5 then base=4 and hypotenus=5 then perpendicular is 3 therefore tana is 3/4

Answer 2

Step-by-step explanation:

cos A = 4/5=opp/hyp

in ⛰ABC

BC=4

CA=5

by Pythagoras thrm

CA²=BC²+BA²

BA²=CA²-BC²

BA²=5²-4²

BA²=25-16

BA²=9

BA=3

tanA=3/4