Question

find the value of cosA if sinA =4/5​

Answer 1

Step-by-step explanation:

cosA=3/5

if sinA=4/5

as cosA = adjacent side/hypotenuse

Answer 2

Answer:

ab^2 + bc^2 = ac^2

x + 16 = 25

x = 25 - 16

x = 3

ab = 3

cos A = side adjacent to theta / hypotenuse

cos A = AB/AC

cos A = 3 / 5

hope it helps

$<marquee \: behaviour = alternate><font \: color =blue> give thanks and follow me pls$