A cacher
Teaching resourcesGrade 11 / Scalar product
This section contains documents for teachers to help them design lesson sequences:
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Courses
Courses
Illustration for courses
First examples of scalar products
Demonstration of course concepts
Cosine expression of the scalar product
Properties of the scalar product with collinear or orthogonal vectors
Demonstrating the symmetry of the scalar product
Demonstration of bilinearity
Demonstrating positivity
Algebraic properties of the scalar product
Scalar product analytical formula
Calculating the cosine of the angle formed by two vectors
Demonstration of Al Kashi's formulas
Scalar product characterization of circle points
EdTech Activities
ICT activity with dynamic geometry software on the geometric construction of the representative curve of the square root function (with geogebra 5.0)
ICT activity with dynamic geometry software on the geometric construction of the representative curve of the square root function (with geogebra 5.0)
ICT activity using dynamic geometry software to determine the measure of an area as a function of an angle (with geogebra 5.0)
In-depth
Geometric demonstration of Al Kashi's formulas
Sine formula
ChingMath
by ChingLab©
by ChingLab©