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Help please due today.

Which expression shows the length, BC, of the base of the stand?

A. 7 over tan 55 degrees

B. 7(cos 55 degrees)

C. 7 over sin 55 degrees

D. 7(tan 55 degrees)

Help please due today Which expression shows the length BC of the base of the stand A 7 over tan 55 degrees B 7cos 55 degrees C 7 over sin 55 degrees D 7tan 55 class=

Respuesta :

Answer:

A) [tex]\frac{7}{tan55^\circ}[/tex]

Step-by-step explanation:

[tex]tan\theta=\frac{opposite}{adjacent}\\ \\tan55^\circ=\frac{7}{BC}\\ \\BC*tan55^\circ=7\\\\BC=\frac{7}{tan55^\circ}[/tex]

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