please answer this .spam answer will be reported
Attachments:
Answers
Answered by
1
Answer:
28/53
Step-by-step explanation:
sin theta=Opposite side/Hypotenuse
cos theta= adjacent side/hypotenuse
In ∆ABC, using Pythagoras theorem
AC²=AB²+BC²
(53)²=(45)²+BC²
2809=2025+BC²
2809-2025=BC²
√784=BC
➡BC=28 m
Now,
cos theta = 28 / 53
Attachments:
Answered by
3
Answer:
28/ 53
Hope it will help you
Similar questions