Question

Tan(A) =4/3 then cos (A)
​

Answer 1

Answer:

4/5

Step-by-step explanation:

Using identity

1 + tan A ² = secA²

1+ (4/3)²= sec A ²

1+ 16/9 = sec A²

16+9/16 = sec A²

secA²= 25/16

sec A = 5/4

cos A = 1/sin A = 1/5/4 = 4/5

Answer 2

$\large \green{ \fcolorbox{gray}{black}{ ☑ \: \textbf{Verified \: answer}}}$

tan A = 4/3

tan A = sin A / cos A

cos A = 3/5