If sin(A) = 4/5, what is tan(A) for an acute angle A?

Topic: Trigonometry
Subtopic: Trigonometric Ratios

A3/4

B3/5

C4/3

D5/3

Explanation

In right triangle: Opposite = 4, Hypotenuse = 5 => Adjacent = Sqrt(5^2 – 4^2) = 3. tan(A) = Opposite / Adjacent = 4/3.

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