From the diagram below, if AB = 4, BC = 3, and AC = 5, find the sin, cos, and tan of < A.

Sin A = 3/5

Cos A = 4/5

Tan A = 3/4

Step-by-step explanation:

Looking at the right angle triangle ABC, taking angle A as the reference angle,

AC represents the hypotenuse

BC represents the opposite side

AB represents the adjacent side.

1) Sin θ = opposite side/hypotenuse.

Sin A = BC/AC

Sin A = 3/5

2)Cos θ = adjacent side/hypotenuse

Cos A = AB/AC

Cos A = 4/5

3)Tan θ = opposite side/adjacent side

Tan A = BC/AB

Tan A = 3/4

40

Step-by-step explanation:

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