How to Find the Coordinates of the Circumcenter Given the Coordinates of the Vertices of a Triangle

Find the Radius of the Small Circle - Geometry Challenge

Solve the equation csc⁡2x-2 sin⁡2x=1 and find the values of x on [0,2π).

Solve the equation tan⁡θ=cot⁡θ and find the values of θ on [0,2π).

Solve the equation 2sin^2⁡(x)-sin(⁡)x-1=0 and find the values of x on [0,2π).

What is Number Pi?

If the Area of the Blue Region is Equal to the Area of the Green Region, then What is AB?

How to Deduct the Formula for the Height of a Triangle Given 3 Sides (Example Included)

Solve the equation 2sin^2(⁡x)=sin(⁡x) and find the values of x on [0,2π).

Solve the Equation sin⁡(2x-π/2)=√2/2 on the Interval [0,2π).

If the Radius of the Quarter Circle is 4 Units, What is the Area of the Yellow Region?

Given the Perimeter, Find the Area - Solve It in Under 60 Seconds

How to Derive the Quadratic Formula - A Detailed Explanation

Solve the Equation cos⁡(2x)=-1/2. Find All the Solutions Using the Unit Circle.

Solve Two Trig Equations sin⁡ x=1/2 and sin⁡ x=√2/2. Find All the Solutions Using the Unit Circle.

What is the area of the quarter circle? Geometry Challenge!

The Product-to-Sum Formulas for Sine and Cosine Explained

Given the Sides of a Rectangle and an Inscribed Circle, Find the Chord AB.

Half-Angle Formulas for Sine, Cosine, and Tangent Explained (With Examples)

How to Draw a Golden Rectangle with Just a Ruler

If AB=7, What is AC?

How to Use the Power-Reducing Formulas in Analytic Trigonometry. Two Step-by-Step Examples.

Find the Diameter AB. Geometry Challenge!

The Power-Reducing Formulas - Learn How to Prove Them

Given a Point, Find sin⁡2θ,cos⁡2θ, and tan⁡2θ, Using the Double Angle Formulas.

How to Find sin⁡2θ Given the Sides of a Right Triangle? Two Methods. Double-Angle Formula.

What is the Area of the Orange Triangle?

Find the Circumference of the Yellow Circle. Geometry Challenge!

Double-Angle Formulas for Sine, Cosine, and Tangent (and How to Prove Them)

How to Simplify an Expression Involving Tangent Without Using a Calculator.