Answer:
4 45/100 Keep simplifying it. You can do it!
Step-by-step explanation:
4 is the whole. 45 is out of 100
3 and -3
hope l hlped u have a good day("
hope
The
first choice gives you the same result. The factor of 5 can be removed to the outside of the summation symbol.
Given:
The given expression is:

To find:
The value of the given expression at
.
Solution:
We have,

Substituting
, we get
![\dfrac{3\sin (-45)-4\sin [4(-45)]}{\sin [5(-45)]}](https://tex.z-dn.net/?f=%5Cdfrac%7B3%5Csin%20%28-45%29-4%5Csin%20%5B4%28-45%29%5D%7D%7B%5Csin%20%5B5%28-45%29%5D%7D)



On substituting
, we get,




Therefore, the value of the given expression at
is
.
Answer:
-2
Step-by-step explanation: