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Evaluating Trigonometric Functiohttp://tutorial.math.lamar.edu/Classes/CalcI/TrigFcns_files/image001.gifns

Published on Sep 18, 2016

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1.

Evaluating Trigonometric Functions

By: Chris G. Khashan
Photo by ▓▒░ TORLEY ░▒▓
2.

Understanding the Functions

  • Sin= opposite/ Hypotenuse
  • Cos= Adjacent/ Hypotenuse
  • Tan= Opposite/ Adjacent
Photo by VinothChandar
3.

If you're having trouble remembering the functions, have no fear.

Photo by nosha
4.

A way to remember
Sin- Some Old(Opposite) Hippie(Hypotenuse)

Photo by Stuck in Customs
5.

A way to remember Cos- Catch A(Adjacent) Hippie(Hypotenuse)

Photo by neil conway
6.

A way to remember Tan- Trippin' On(Opposite) Acid(Adjacent)

Photo by ALL CHROME
7.

Practice Problem:
Find Tanθ

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8.

The Triangle

9.

Answer:
Opp/Adj

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10.

So lets Apply our Knowledge

Find the Following:
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11.

Sin 45 degrees

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Untitled Slide

13.

Sin 45 degrees:
√2/2

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14.

Cos 45 degrees

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Untitled Slide

16.

Cos 45 degrees:
√2/2

Photo by Stuck in Customs
17.

Tan 45 degrees

Photo by Karen Roe
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Untitled Slide

19.

Tan 45 degrees:
1

Photo by Karen Roe
20.

Congratulations, you learned something.

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