Tan (30)= 5/b is the equation that can be used to find b.
Trigonometric ratios are based on the value of the ratio of sides of a right-angled triangle and are defined as the values of all trigonometric functions.
The various trigonometric ratios are:-
sin=perpendicular/hypoteneuse
cos=base/hypotenuse
tan=perpendicular/base (tan30°)=5/b
cot=base/perpendicular
sec=hypotenuse/base
cosec= hypotenuse/perpendicular
The trigonometric ratios are the ratios of a right-angled triangle's sides to any of its acute angles.
Therefore, for the value of b, Tan (30)= 5/b equation can be used.
Learn more about trigonometric ratios here:-brainly.com/question/24349828
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