Answer:
Therefore,
is the required value.
Step-by-step explanation:
If a ≠ 0, a ≠ 1 and
To Find:
x = ?
Solution:
Applying Distributive Property i.e A(B+C)=AB+AC we get
7(s + d) - 25
-43
-100
hope this helps...
D
Using the cosine ratio in the right triangle
cos CBA = = = , thus
∠ CBA = ( ) ≈ 70.53° ( to 2 dec. places )