Answer:
21/35
Step-by-step explanation:
Given :
- A right angled triangle with sides 28 , 35 ,21 .
And we need to find the value of cos A. We know that cosine is the ratio of base and Hypotenuse. So that ,
[tex]:\implies[/tex] cos A = b/h
[tex]:\implies[/tex] cosA = 21/35
- [tex]:\implies[/tex] Hence the required Answer is 21/35.
