John Rhodes, Math Teacher at Senioritis.io

John Rhodes
July 30, 2023
Calculus

Understanding Math | Explaining the Meaning of y” > 0 and the Concept of Concave Upward Curves

When y” > 0, the curve is When y” > 0, it means that the second derivative of the curve with respect to the x-axis is positive...

John Rhodes
July 30, 2023
Calculus

Understanding the Formula for Surface Area of a Sphere | Explained Step by Step with 4πr^2

nan The expression 4πr^2 represents the formula for the surface area of a sphere The expression 4πr^2 represents the formula for the surface area of a sphere....

John Rhodes
July 30, 2023
Calculus

Calculating the Circumference of a Circle | Understanding the Formula and Applying it Correctly

nan The equation you provided, 2πr, represents the formula for the circumference of a circle The equation you provided, 2πr, represents the formula for the circumference of...

John Rhodes
July 30, 2023
Calculus

Understanding the Formula for the Volume of a Cone | Explained Step by Step

nan The expression “=1/3πhr^2” represents the formula for the volume of a cone The expression “=1/3πhr^2” represents the formula for the volume of a cone. Let’s break...

John Rhodes
July 30, 2023
Calculus

Using the Law of Sines in Triangles | Step-by-Step Guide

a/sinA = b/sinB = c/sinC The expression a/sinA = b/sinB = c/sinC is known as the Law of Sines The expression a/sinA = b/sinB = c/sinC is...

John Rhodes
July 30, 2023
Calculus

Understanding the Law of Cosines | Explaining How the Equation Relates Triangle Sides and Angles

c^2=a^2+b^2-2abcosC The equation you provided is known as the Law of Cosines and it relates the lengths of the sides of a triangle to the cosine of...

John Rhodes
July 30, 2023
Calculus

Understanding the Pythagorean Theorem | Explained, Examples, and Applications

a^2+b^2=c^2 The equation a^2 + b^2 = c^2 represents the Pythagorean theorem, which is one of the fundamental concepts in geometry The equation a^2 + b^2 =...

John Rhodes
July 30, 2023
Calculus

Trigonometry | Understanding the Sine Function and its Relationship to Right Triangles

sin(θ)=opp/hyp In trigonometry, the sine function relates the ratio of the lengths of the side opposite an angle (opp) to the length of the hypotenuse (hyp) of...