Trigonometry Review / Pre-calculus 1

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Taught by muchomath
  • Currently 4.0/5 Stars.
5651 views | 1 rating
Meets NCTM Standards:
Lesson Summary:

In this Trigonometry Review lesson, Professor Perez teaches us how to express the height of a pendulum as a function of the angle theta. By drawing a right triangle with the hypotenuse length of L, he uses the cosine function to relate the adjacent leg to the hypotenuse. After simplification, he factors out L to give us the equation h equals L times 1 subtract cosine theta. By the end of the lesson, we have learned how to express the height of the pendulum in terms of the angle theta.

Lesson Description:

Trigonometry review problem involving the height of a pendulum

Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.

Questions answered by this video:
  • If a pendulum of constant length L makes an angle theta with its vertical position, how do you express the heigh h as a function of the angle theta?
  • How do you write an equation for the height of a pendulum as a function of the angle it makes with its vertical position?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows you how to write an equation for the height of a constant length pendulum as a function of the angle it makes with its vertical position. All steps involved in setting up the equation are shown and explained very well.