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Trigonometry Help

In this section you'll find study materials for trigonometry help. Use the links below to find the area of trigonometry you're looking for help with. Each study guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn trigonometry.

Study Guides

showing 41 - 50 of 94
  • 41.

    Phase Angle Help

    Introduction to Phase Angle Phase angle is an expression of the displacement between two waves having identical frequencies. There are various ways of defining this. Phase angles are usually expressed as values ø such ...

    Source: McGraw-Hill Professional
  • 42.

    Inductive Reactance Formula Help

    Introduction to Inductive Reactance Formula Electrical resistance —the extent of the opposition that a medium offers to DC—is a scalar quantity, because it can be expressed on a one-dimensional scale. Resistance is ...

    Source: McGraw-Hill Professional
  • 43.

    Capacitive Reactance Help

    Capacitive Reactance—Capacitors and Current Inductive reactance has its counterpart in the form of capacitive reactance, denoted X C . In many ways, inductive and capacitive reactance ...

    Source: McGraw-Hill Professional
  • 44.

    Waves and Phase Test

    Review the following concepts if needed: Alternating Current Help

    Source: McGraw-Hill Professional
  • 45.

    Reflection Help

    Reflection Trigonometry is used in optics, the study of the behavior of light. The phenomena of most interest are reflection and refraction. A light ray changes direction when it is reflected from a mirror or smooth, ...

    Source: McGraw-Hill Professional
  • 46.

    Refraction Help

    Refraction Trigonometry is used in optics, the study of the behavior of light. The phenomena of most interest are reflection and refraction. A light ray changes direction when it is reflected from a mirror or smooth, ...

    Source: McGraw-Hill Professional
  • 47.

    Trigonometry Snell’s Law Help

    From Low To High When a ray of light encounters a boundary between two substances having different indices (or indexes) of refraction, the extent to which the ray is bent can be determined according to an equation called Snell’s ...

    Source: McGraw-Hill Professional
  • 48.

    Dispersion Help

    Dispersion The index of refraction for a particular substance depends on the wavelength of the light passing through it. Glass, and virtually any other substance having a refractive index greater than 1, slows down light the most at the ...

    Source: McGraw-Hill Professional
  • 49.

    Reflection and Refraction Practice Test

    Review the following concepts if needed: Reflection Help Refraction ...

    Source: McGraw-Hill Professional
  • 50.

    Global Trigonometry Practice Test

    Review the following concepts if needed: The Global Grid Help Arcs and Triangles ...

    Source: McGraw-Hill Professional
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