Mathematics | Senioritis

John Rhodes
June 21, 2023
Calculus

Even Symmetry Of Cosine Function And Deriving Its Result For Cos(-X) = Cos(X)

cos(-x) cosx If we have a real number x, then -x represents the additive inverse of x which means that it is the number that when added...

John Rhodes
June 21, 2023
Calculus

The Absolute Value Function: Definition And Examples.

|x| x if x>=0-x if x

John Rhodes
June 21, 2023
Calculus

The Sum-To-Product Formula For Sin And The Unit Circle Concept

sin(A+B) sinAcosB+cosAsinB The formula for sin(A + B) is: sin(A + B) = sin(A) cos(B) + cos(A) sin(B) This formula is also known as the sum-to-product formula...

John Rhodes
June 21, 2023
Calculus

Unlocking The Angle Subtraction Formula For Sine | Simplify Trigonometry With A-B Calculation

sin(A-B) sinAcosB-cosAsinB Using the angle subtraction formula for sine, we have: sin(A – B) = sin(A)cos(B) – cos(A)sin(B) where sin(A), cos(A), sin(B), and cos(B) are the respective...

John Rhodes
June 21, 2023
Arithmetic

Effortlessly Factor Quadratic Expression: Learn How To Find Two Numbers To Simplify X² + 3X – 40

x²+3x-40 (x+8)(x-5) To factor the quadratic expression x² + 3x – 40, we need to find two numbers that multiply to give -40 and add up to...

John Rhodes
June 21, 2023
Arithmetic

How To Factor Quadratic Expressions: Step-By-Step Guide For X²+7X-8

x²+7x-8 (x+8)(x-1) To factor the expression x²+7x-8, we need to find two numbers that can multiply to give -8 and add up to 7. The two numbers...

John Rhodes
June 21, 2023
Arithmetic

How To Factor Quadratic Equations: Step-By-Step Guide With Example Of X²-13X+42

x²-13x+42 (x-6)(X-7) To factor x²-13x+42, we need to find two numbers that multiply to 42 and add up to -13. We can start by listing all of...

John Rhodes
June 21, 2023
Arithmetic

Learn How To Factorize Quadratic Expressions: Step-By-Step Guide With Examples

x²-10x+21 (x-7)(x-3) To factorize the quadratic expression x² – 10x + 21, we need to find two factors of 21 that add up to -10. The factors...