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Can yoy help me with number 3? I do not understand the question.

Can yoy help me with number 3? I do not understand the question.-example-1

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The law of sines states that:


(\sin\alpha)/(a)=(\sin\beta)/(b)=(\sin \gamma)/(c)

where alpha is the opposite angle to side a, beta is the opposite angle to side b and gamma is the opposite angle to side c.

For the triangle given we notice that:

Angle x is opposite to side 2.5.

Angle 28° is opposite to side 3.

Therefore the expression to find x is:


(\sin x)/(2.5)=(\sin 28)/(3)

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