John Rhodes, Math Teacher at Senioritis.io

John Rhodes
June 21, 2023
Trigonometry

How to find the value of cos 30° using trigonometric functions and Pythagorean theorem – A Step-by-Step Guide

cos 30° √3/2 The value of cos 30° is √3/2, which is equal to approximately 0.866. To find this value, we can use the trigonometric function of...

John Rhodes
June 21, 2023
Trigonometry

Discover the Value of cos 45° and How It’s Calculated in a Right-Angled Triangle

cos 45° √2/2 The value of cos 45° is √2 / 2 or approximately 0.7071067812. The cosine (cos) of an angle is defined as the ratio of...

John Rhodes
June 21, 2023
Trigonometry

Understanding the Value of Cos 90°: Exploring the Relationship between a Unit Circle and Trigonometric Functions.

cos 90° 0 The value of cos 90° is 0. In a unit circle, 90 degrees is located in the uppermost point, also known as the y-axis....

John Rhodes
June 21, 2023
Trigonometry

Discover the Importance of sin 0°: Understanding the Basics of Trigonometric Ratios in Right-Angled Triangles

sin 0° 0 The value of sin 0° is 0. The sine function is a trigonometric ratio that represents the ratio of the opposite side to the...

John Rhodes
June 21, 2023
Trigonometry

Understanding the Trigonometric Function: Deriving the Value of Sin 45° Using Pythagorean Theorem

sin 45° √2/2 sin 45° is a trigonometric function that represents the ratio of the length of the side opposite to the 45° angle to the length...

John Rhodes
June 21, 2023
Trigonometry

Discovering the Definition of Sine Function and Calculating the Value of sin 60°

sin 60° √3/2 The value of sin 60° is approximately 0.866. To understand how this value is obtained, we can use the definition of sine function in...

John Rhodes
June 21, 2023
Trigonometry

Understanding Sine Function: Sin 90° = 1 and the Ratios of Right Angled Triangles.

sin 90° 1 sin 90° is equal to 1. In trigonometry, sin is short for sine. Sine is a trigonometric function of an angle, and it tells...

John Rhodes
June 21, 2023
Geometry

Mastering Triangle Congruence with SSS Method: A Comprehensive Guide

side – side – side If three sides of one triangle are congruent to three sides of another triangle, then triangles are congruent. Side-side-side (SSS) is a...