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Solving Arbitrary Triangles: Trigonometry
Step-by-step plan to solve arbitrary triangles using the congruence characteristics and formulas of trigonometry (sine rule, cosine rule).
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Trigonometry in arbitrary triangles: Overview formulas
Overview of the trigonometric formulas in an arbitrary triangle with angles A, B, C
or angles alpha, beta, gamma.Translated by
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Method for solving a quadratic equation: Step-by-step plan
Step-by-step plan to determine how to solve complete equations of the second degree using the most appropriate method.
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Incomplete quadratic equations: Step-by-step plan
Step-by-step plan to determine how to solve incomplete equations of the second degree.
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System of two equations of the first degree with two unknowns: Step-by-step solution method
Step-by-step plans to determine the most suitable solution method when solving a system of two first-degree equations with two unknowns.
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Number of solutions of system of two equations of the first degree with two unknowns: Step-by-step plan
System of two first degree equations with two unknowns.
Step-by-step plan for determining the number of solutions.
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Converting Formulas: Exercises
Exercises on converting formulas. Exercises at different levels.
Both the problem sheet and the solution key have been added.
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Convert Formulas: Overview Scheme
Techniques for converting formulas into schematic form.
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Converting Formulas: Methods
Method to convert formulas:
- formulas with only multiplications and divisions;
- formulas with addition, subtraction, multiplication and division.
The improvement key was also added.
Be sure to also check out the Converting formulas: Summary …
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Solving inequalities: Overview
Overview of the three types of inequalities with their solution method.
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Inequality Properties: Overview
Overview of the properties for solving first-degree inequalities with one unknown.
In the extended version you will find the properties in words.
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Solving equations: Rules of thumb
Rule(s) of thumb when solving equations.
Using a rule of thumb is a short, practical way that replaces two or more properties or intermediate steps.Translated by
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