Posts Tagged ‘alternative’

Ex: Determine a Sine Function Value Using a Alternative Half Angle Identity (Radians)

This video provides an example of how to determine the exact value of sin(pi/12) using a half angle identity using an alternative half angle identity.

Ex: Determine a Sine Function Value Using a Alternative Half Angle Identity (Degrees)

This video provides an example of how to determine the exact value of sin(112.5) using a half angle identity using an alternative half angle identity.

 

Understanding Dividing by a Fraction

This video provides several examples to deepen an understanding of what it means to divide by a fraction. It also shows 2 methods for dividing by a fraction.

Ex5: Division Involving Mixed Numbers – Compare Alternative and Traditional Methods

This video explains an alternative method that can be used to divide mixed numbers. The method involving obtaining a common denominator and then dividing the numerators. The video shows the alternative method and the traditional method of multiplying by the reciprocal.

 

 

Ex4: Division Involving Signed Fractions – Compare Alternative and Traditional Methods

This video explains an alternative method that can be used to divide signed fractions. The method involving obtaining a common denominator and then dividing the numerators. The video shows the alternative method and the traditional method of multiplying by the reciprocal.

Ex3: Division Involving Fractions – Compare Alternative and Traditional Methods

This video explains an alternative method that can be used to divide fractions. The method involving obtaining a common denominator and then dividing the numerators. The video shows the alternative method and the traditional method of multiplying by the reciprocal.

Alternative Method for Multiplying Whole Numbers

This video explains an alternative method for determining the product of whole numbers based upon the area of rectangles.