Multiply -1/2 by -7/3 to get the answer
Answer:
129 = x
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles
47+82 = x
129 = x
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
.
I think maybe 0.3 then 2 1/2 and then 15