Question

If sin A = 4/5 then Cos A​

Answer 1

Answer:

Cos =3/5

Step-by-step explanation:

SIN=P/H, cos =B/H,

B2= (5)2 - (4)2 = √9 =3

Answer 2

Answer:

3/5 is correct answar

Step-by-step explanation:

h^2=b^2+p^2

b^2=5^2-4^2

b^2=25-16

b^2=9

b=√9

b=3

therefore cos A=3/5