This week we learnt about the Sine Law. The Sine Law is basically a formula that you can use to find a missing side/angle if you know a matching angle+side and the opposing angle/side to which you are trying to find.

The formula: 

Using the formula itself is pretty simple, you input the known information. Then remove the one of the a/b/c you do not have enough information to use, and solve for what you are looking for.

1. Since the denominators are all equivalent, the first step is to combine and simplify the numerators by combining all like terms.
2. You can then simplify further by eliminating x-3
3. This will leave you with 1/x+3

Simplify: 1/3a+2a/5a

The first step to adding these together is to find the common denominator of 3 and 5. This will be 15. You will have to multiply 1 and 3 by 5 and 2a and 5a by 3. This will result in 5/15a + 6a+15a=11/15a