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# Tutor profile: Joanna M.

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Joanna M.
high school math teacher intern
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## Questions

### Subject:Pre-Calculus

TutorMe
Question:

Using the Unit circle find the value of the trigonometric functions at the radian degree measure of 60 degrees

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Joanna M.

The value of sin(60)=sqrt(3)/2, cos(60)=1/2, tan(60)=sqrt(3)

### Subject:Geometry

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Question:

What is the formula to find a midpoint of a segment? And given the endpoints of the line segment PQ as P(1,5) and Q(7,2), what is the midpoint of the line segment PQ?

Inactive
Joanna M.

The formula for the midpoint of a segment is M=(((x_1+x_2)/2),((y_1+y_2)/2). Now using this formula we plug in the points P and Q and find the midpoint. M=((1+5)/2,(5+2)/2). M=(3,3.5)

### Subject:Calculus

TutorMe
Question:

Take the derivative of f(x)=3(x^2)+2xe^x using the derivative rules.

Inactive
Joanna M.

The derivative of f(x)=3(x^2)+2xe^x is: f'(x)=6x+2x(e^x)+2(e^x) This was obtained using the product rule.

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