# Tutor profile: Allison S.

Inactive

Allison S.

Business/IT Analyst for DoD Government Contractor

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## Questions

### Subject: Pre-Calculus

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Question:

What is the absolute value of -5?

Inactive

Allison S.

Answer:

5

### Subject: Trigonometry

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Question:

In a right triangle ABC, tan(A) = 3/4. Find sin(A) and cos(A).

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Allison S.

Answer:

Remember: SOH CAH TOA TOA = (Opposite/Adj) = 3/4 Opposite =3 Adj = 4 Hypot. = 5 (found using Pythagorean Theorem: [ 3^2 + 4^2 = x^2 ] --> 9 + 16 = x^2 --> 25 = x^2 --> x= 5 Sin(A) = SOH = (Opp / Hyp) = 3/5 Cos(A) = CAH = (Adj / Hyp) = 4/5

### Subject: Algebra

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Question:

Simplify: (x^4 / x^3)^3

Inactive

Allison S.

Answer:

x^3

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