John Rhodes, Math Teacher at Senioritis.io

John Rhodes
July 6, 2023
Trigonometry

Exploring the Cosine Function: How to Find the Value of cos(-x) Using an Essential Identity

cos(-x) = To find the value of cos(-x), we can use the identity for the cosine function: cos(-x) = cos(x) This identity states that the cosine of...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Odd Property of the Sine Function: A Derivation from the Unit Circle and Definition of Sine

sin(-x) = The sine function is an odd function, which means that it satisfies the property sin(-x) = -sin(x) for any angle x The sine function is...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Relationship between Cotangent and the Pythagorean Identity: Expanding on the Pythagorean Identity to Find the Relationship between Cotangent and Cosecant

Pythagorean Identity: cot^2(x) + 1 = The Pythagorean Identity is a fundamental trigonometric identity that relates the values of the three primary trigonometric functions – sine, cosine,...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Pythagorean Identity: The Connection between Tangent and Secant Functions

Pythagorean Identity: tan^2(x) + 1 = The Pythagorean Identity related to the tangent function is as follows: tan^2(x) + 1 = sec^2(x) Let’s break down this identity...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Pythagorean Identity: The Relationship between Sine and Cosine in a Right Triangle

Pythagorean Identity: sin^2(x) + cos^2(x) = The Pythagorean Identity is a fundamental trigonometric identity that relates the values of sine and cosine of any angle in a...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Quotient Identity for Cotangent in Trigonometry and its Calculation Process

Quotient Identity: cot (x) = The quotient identity for cotangent (cot) states that: cot(x) = 1/tan(x) This means that the cotangent of an angle x is equal...

John Rhodes
July 6, 2023
Trigonometry

Understanding the Quotient Identity for Tangent: Exploring the Relationship between Sine and Cosine in Trigonometry

Quotient Identity: tan(x) = The quotient identity for tangent is written as tan(x) = sin(x) / cos(x) The quotient identity for tangent is written as tan(x) =...

John Rhodes
July 6, 2023
Trigonometry

Reciprocal Identity: Understanding the Relationship between Cotangent and Tangent

Reciprocal Identity: cot(x) = In mathematics, the reciprocal identity is a trigonometric identity that relates the cotangent function to the other trigonometric functions In mathematics, the reciprocal...