I have the equivalent of a bachelor's degree in science, and was an associate professor for fifteen years teaching mathematics and physics at the National University of Central Peru.

I was also the author of several books. Not only this, but I had the honor of being a tutor and mentor for the Upward Bound Pre-Collegiate Program of the

RAUL is approved to conduct lessons through Wyzant Online. Wyzant Online allows students and tutors to work remotely via video, audio, and collaborative whiteboard tools. For more information about how online tutoring works, check out Wyzant Online.

If you’re interested in online lessons, message RAUL to get started.

Raul is a great tutor. He has a lot of patience and never gets frustrated if you can't understand. He explains things in a way that make sense always, all around, I think he's awesome and has taught me a lot.

Raul was Very helpful, and really knows the subject . I felt very secure in my trigonometry test after taking his classes.

Thank you Raul.

Hello Eliana. Thanks, it was a pleasure to have helped your daughter and share some secrets of Trigonometry, I hope that you have A + on your test. Again thanks.

Math:

Test Preparation:

Elementary Education:

Elementary Math
Approved subjects are in **bold**.

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Real numbers.

Solving linear equations.

Graphing relations and functions.

Analyzing linear equations.

Solving linear inequalities.

Solving systems of linear equations and inequalities.

Polynomials and factoring.

Quadratic and exponential functions.

Radical expressions and triangles.

Rational expressions and equations.

Statistics and probability.

Equations and inequalities.

Linear equations and functions.

Systems of linear equations and inequalities

Quadratic functions.

Powers, roots, and radicals.

Exponential and logarithmic functions.

Rational equations and functions.

Quadratic relations and conic sections.

Sequences and series.

Probability and statistics.

Trigonometric ratios and functions.

Fractions, Ratios and percentages, variable expressions, volume, personification, and more.

Points, lines, line segments, rays and angles.

Relations and sizes congruent figures, similar figures.

Polygons, triangles and quadrilaterals.

Areas, polygons and circles.

Formulas.

Right triangle and the Pythagorean theorem.

Circles, definitions, and formulas.

Three dimensional figures.

Prisms, pyramids.

Cylinders, cones and spheres.

Basic operations.

Fractions and decimals.

Ratios and percentages.

Basic geometry.

Basic statistic and probability.

Basic algebra.

Rectangular coordinates.

Linear inequalities and inequalities with absolute values.

Functions: domain, range, and composition.

Roots and rational exponents.

Quadratic functions

Inverse functions.

Algebraic simplification.

Properties of logarithms and exponents.

Trigonometry: double-angle and half-angle formulas.

Trigonometric equations.

Polar coordinates.

Graphing rational functions.

Exponential growth and decay.

The concept of angle, radians and arc length exercises.

The relation between sines and chords.

The word "sine," sines and right triangles.

The standard notation for a right triangle.

Right triangles and cosines.

The Pythagorean identity for sines and cosines.

Sines and cosines for special common angles.

Tangent in terms of sine and cosine. Tangents and right triangles, slopes of lines. Angles of elevation and depression.

Solving right triangles.

Inverse trig functions: arcsine, arccosine, and arctangent.

The other three trigonometric functions: cotangent, secant, and cosecant.

Properties of sines and cosines that follow from the definition.

Graphs of sine and cosine functions.

Graphs of tangent and cotangent functions.

Graphs of secant and cosecant functions.

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Raul - Tutor and mentor of math