Trigonometric Ratios Chart - Accurate to 7 decimal places (Editable)

Trigonometric Ratios Chart - Accurate to 7 decimal places (Editable)
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Product Rating
1 rating
File Type

Word Document File

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89 KB|1 page
Product Description
Trigonometry teachers - this is a very useful tool for my students, even in this day and age of handheld calculators! This chart has the sine, cosine, and tangent of every whole-numbered angle from 0 to 90 degrees.

I find it invaluable for my students to use this chart at first, and then they realize that the buttons on their calculator really help save time. Furthermore, when I introduce the inverse trigonometric functions, I use this chart before teaching how the inverse sine, cosine, and tangent buttons work on the calculator. For instance, if a student sees the equation sin x = 0.72, I have them look in the "sine" column for the closest match to 0.72, and read off the corresponding angle, which is about 46 degrees. Later, I have the students try the inverse sine of 0.72 on their calculators, and I find they really like the confirmation of what they saw on the chart.

The preview file is a pdf so you can see exactly what you're getting; the product file is a word document, which you may edit for your students.

keywords: trigonometry chart, trigonometry ratios, trigonometry table, table, ratios, chart, sohcahtoa, Jonnard
Total Pages
1 page
Answer Key
Does not apply
Teaching Duration
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Peter Jonnard

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