Answer: No problem
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
The trick here is to reduce each of the bases to lowest form first
Answer:
29/18
Step-by-step explanation:
-11/6 + m = -2/9
Add 11/6 to both sides.
+11/6 -11/6 + m = -2/9 +11/6
m=29/18
<u>Prove that:</u>

<u>Proof: </u>
We know that, by Law of Cosines,
<u>Taking</u><u> </u><u>LHS</u>
<em>Substituting</em> the value of <em>cos A, cos B and cos C,</em>



<em>On combining the fractions,</em>

<em>Regrouping the terms,</em>



LHS = RHS proved.