the half angle formulas 158 videos
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Area of Circles
Geometry Area
How to derive the formula to calculate the area of a circle.
circle radius circumference area -
Surface Area of Cylinders
Geometry Area
How to prove the surface area of a cylinder formula.
circle lateral area circumference -
Area and Perimeter of Rectangles
Pre-Algebra Introductory Geometry
Overview of area and perimeter formulas for parallelograms and rectangles
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Volume and Surface Area
Pre-Algebra Introductory Geometry
Vocabulary and formulas for surface area and volume of common solids
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Exponential Growth and Decay
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the exponential growth and decay formula.
exponential growth exponential decay -
Recursion Sequences
Algebra 2 Sequences and Series
How to use a recursion formula to represent the Fibonacci sequence.
recursion previous term Fibonacci -
Recursion Sequences
Precalculus Sequences and Series
How to use a recursion formula to represent the Fibonacci sequence.
recursion previous term Fibonacci -
Similar Triangles
Pre-Algebra Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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The Tangent Function
Trigonometry Trigonometric Functions
How to define the tangent function for all angles.
tangent right triangle trigonometry the unit circle -
The Tangent Function
Precalculus Trigonometric Functions
How to define the tangent function for all angles.
tangent right triangle trigonometry the unit circle -
Trapezoid Properties
Geometry Polygons
How to identify a trapezoid and its special properties.
parallel sides isosceles trapezoid base angles base -
The Product Rule
Calculus Techniques of Differentiation
How to differentiate a product of two functions.
differentiation derivative formula power functions the product rule of derivatives -
Kite Properties
Geometry Polygons
How to identify a kite and its special properties.
kite diagonals consecutive sides vertex angle non vertex angle bisect perpendicular -
Area of Parallelograms
Geometry Area
How to find the area of any parallelogram using rectangle area formulas.
area of rectangles base times height -
Area of Trapezoids
Geometry Area
How to derive the area of a trapezoid formula using the area of a rectangle.
trapezoid parallelogram base height -
Volume of Prisms
Geometry Volume
How to find the volume of any prism, right or oblique using a general formula.
volume base area height trapezoid regular polygon oblique prism -
Compound Interest (Finite Number of Calculations)
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
interest compound interest daily monthly weekly quarterly rate -
Compound Interest (Continuously)
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the compounded continuously formula to find the value of an investment
interest compound continuously pert -
Compound Interest (Finite Number of Calculations)
Precalculus Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
interest compound interest daily monthly weekly quarterly rate -
Compound Interest (Continuously)
Precalculus Exponential and Logarithmic Functions
How to use the compounded continuously formula to find the value of an investment
interest compound continuously pert
