Answer :

Given:

Angle = 44 degrees.

Adjacent side = 6 units.

Hypoteuse side = x units

Recall the formula for cosine,

[tex]\cos \theta=\frac{Adjacent\text{ side}}{\text{Hypoteuse side}}[/tex]

Substitute Adjacent side = 6 units, Hypoteuse side =x units and angle =44, we get

[tex]\cos 44^o=\frac{6}{x}^{}[/tex][tex]\text{ Use }\cos 44^o=0.719.[/tex]

[tex]0.179=\frac{6}{x}^{}[/tex][tex]x=\frac{6}{0.179}[/tex][tex]x=8.34[/tex]

Round off, we get

[tex]x=8.3\text{ units}[/tex]

Hence the value of x is 8.3 units.

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