John Rhodes, Math Teacher at Senioritis.io

John Rhodes
June 21, 2023
Arithmetic

How To Add Positive And Negative Numbers: A Step-By-Step Guide – Math Tips And Tricks.

16 + (-25) -9 When you add a positive number and a negative number, you need to find the difference between their absolute values and then use...

John Rhodes
June 21, 2023
Arithmetic

Learn How To Add And Subtract Numbers With Ease: The Number Line Method For Math Problem Solving

28 + (-12) 16 To add the two numbers, we start at 28 on the number line and count 12 spaces to the left since the -12...

John Rhodes
June 21, 2023
Trigonometry

Sin Sum Identity: The Trigonometric Sum-To-Product Identity And Its Proof.

Sin Sum Identity sin(A+B)=sinAcosB+cosAsinB The sin sum identity, also known as the sum-to-product identity, is a trigonometric identity that expresses the sine of the sum of two...

John Rhodes
June 21, 2023
Trigonometry

The Sin Difference Identity: A Trigonometric Formula Explained

Sin Difference Identity sin(A-B)=sinAcosB-cosAsinB The Sin Difference Identity, also known as the Angle Sum or Subtraction Formula for Sine, is a trigonometric identity that relates the difference...

John Rhodes
June 21, 2023
Trigonometry

Mastering The Cosine Sum Identity In Trigonometry: A Step-By-Step Proof And Explanation

Cosine Sum Identity cos(A+B)=cosAcosB-sinAsinB The cosine sum identity is a mathematical formula that expresses the sum of two cosine functions in terms of a single cosine function....

John Rhodes
June 21, 2023
Trigonometry

Master The Cosine Difference Identity With This Step-By-Step Trigonometry Guide

Cosine Difference Identity cos(A-B)=cosAcosB+sinAsinB The cosine difference identity, also known as the cosine subtraction formula, is a trigonometric identity that expresses the cosine of the difference of...

John Rhodes
June 21, 2023
Trigonometry

Discover The Tangent Sum Identity In Trigonometry And Its Practical Applications

Tangent Sum Identity tan(A+B)=tanA+tanB/1-tanAtanB The tangent sum identity is a trigonometric identity that relates the tangent function of the sum of two angles to the tangent functions...

John Rhodes
June 21, 2023
Trigonometry

Mastering Trigonometry: Simplifying Expressions And Solving Equations Using Tangent Difference Identity.

Tangent Difference Identity tan(A-B)=tanA-tanB/1+tanAtanB The tangent difference identity is a trigonometric identity that describes the relationship between the tangent values of the difference of two angles. It...