Which expression can be used to find the value of x?

(sin29°)(sin42°)9

9(sin29°)sin42°

9(sin29°)(sin42°)

9(sin42°)sin29°

The complete question is missing, so i have attached it.

x = 9(sin 42)/(sin 29)

Step-by-step explanation:

We want to find an expression for x.

From the attached image, we can see a triangle with 2 angles given and 2 sides to be 9 and x respectively.

Now, the law of sines says that;

A/sin A = B/sinB = C/sin C

So applying it to this question, we have;

x/sin 42 = 9/sin 29

Thus,

x = 9(sin 42)/(sin 29)

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step-by-step explanation: