Recent content by Mejiera

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    Solving Trig Limit Question: Step-by-Step Guide

    Homework Statement lim x appraoches 0 sin(x)/(x+tan(x)) Homework Equations I have tryed everthing. Can someone show me how to do this. The Attempt at a Solution
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    Solving Trig Theta Question: 1/sin(theta)-cos(theta)/sin(theta)

    Homework Statement I don't understand the step the math book took to convert sin(theta)/sin(theta)-cos(theta) to 1/sin(theta)-cos(theta)/sin(theta) Homework Equations The Attempt at a Solution
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    Solving Trigonometry Question: Bicycle Wheel Diameter and Speed Calculation"

    Homework Statement The diameter of each wheel of a bicycle is 26 inches. If you are traveling at a speed of 35 miles per hour on this bicycle, through how many revolutions per minute are the wheels turning ? Homework Equations The Attempt at a Solution I have no idea how to solve...
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    Is a Tangent Line Possible in a Cubed Function?

    ok thanks for clearing that up guys.
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    Is a Tangent Line Possible in a Cubed Function?

    but the tangent line touches a cubed function twice so I am sure if it could really be called a tangent line
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    Is a Tangent Line Possible in a Cubed Function?

    Homework Statement is it possible to have a tangent line in a cubed function Homework Equations The Attempt at a Solution
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    Slope of Tangent Line for f(x)=x^3+x at (2,10) | Algebraic Method

    Homework Statement find the slope of the tangent line of f at the given point. Homework Equations f(x)= x^3 + x at (2,10) The Attempt at a Solution I know how to get the answer using the power rule, but I want to know the algebraic way of doing it I get stuck at x^3 + x - 10/ x...
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    Derivative Question: Slope at Point x=4 Explained

    True
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    Derivative Question: Slope at Point x=4 Explained

    Thank you Berkeman and Mark. I was making a silly mistake in assuming that a slope of a curve is costant through the entire function. I researched on the difinition the derivative and it made me understand that 1/4 is not the slope of the entire curve, 1/4 is just the slope of a single point on...
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    Derivative Question: Slope at Point x=4 Explained

    Homework Statement when you are finding the slope of a fuction at a point, you are finding the slope of that point with respect to what? I don't understand how the square root function at point x = 4 slope is 1/4 shouldn't its slope be 1/2. please explain Homework Equations The...
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    Square root and cube root question

    oh I see so for a cube root you a real number answer no matter if its negative or positive ,but for a square root you get an imaginary number if its negative. Mark and icy thanks now I understand.
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    Square root and cube root question

    Homework Statement why is it possible to take the cube root of a negative number and not a square root of a negative number? Homework Equations The Attempt at a Solution
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    Trigonometry Question: Solving sin90 + tan45 | Understand the Solution

    oh silly mistake. thanks a lot
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    Trigonometry Question: Solving sin90 + tan45 | Understand the Solution

    I am supposed to use the values from the unit circle. so sin90degrees would = -1
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    Trigonometry Question: Solving sin90 + tan45 | Understand the Solution

    Homework Statement sin90degrees +tan45degrees Homework Equations The Attempt at a Solution my answer is 0 but my textbook says its 2. I don't understand how 2 is the answer.