Find the formula for the nth term of the arithmetic sequence

-3 or 3

Step-by-step explanation:

the correct answer to your question is a. 4^4

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the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.