Question

it cos A=4/5 then sin A=


​

Answer 1

Answer:

$\cos(A) = \frac{4}{5}$

$other \: side = 3$

$so \: \sin(A) = \frac{3}{5}$

Answer 2

Step-by-step explanation:

cos(A)=

5\4otherside

=3 otherside

so \: \sin(A)

= frac{3}{5}sosin(A)

=5\3

=15