Strand Secondary - Trigonometry
start over

We found 10 items matching your search.

		Page 1/1

A Trig Exercise Inspired by the Use of a Graphing Calculator. (HTML or PDF)
		An example of a problem in algebra or trigonometry that is motivated by an exercise with a graphing calculator. The graph leads to an exercise with a trigonometric identity.
		AUTHOR(S): Rick Seaman
An Arc Midpoint Computation Lesson
		In this note the authors give an expression for locating the midpoint of a circular arc.
		AUTHOR(S): Gregory V. Akulov and Oleksandr (Alex) G. Akulov
An Arc Midpoint Computation Proof
		In this note the authors give an proof of the expression for locating the midpoint of a circular arc that was given in his note with Gregory V. Akulov.
		AUTHOR(S): Oleksandr (Alex) G. Akulov
Complex Numbers
		This note is a response to a teacher's request for an explaination of i squared and the square root of i that would be appropriate for secondary level students.
		AUTHOR(S): Harley Weston
Diamond Slopes and Speedy Whales via… One Identity
		A trigonometric identity is used to develop a formula for the slope of a rhombus diagonal. This expression is then used to find the velocity of a whale.
		AUTHOR(S): Gregory V. Akulov and Oleksii V. Akulov
The Arc Midpoint Find
		Continuing his discussion of circular arc midpoint computation Oleksandr develops an expression for the midpoint of a circular arc in n dimensions.
		AUTHOR(S): Oleksandr G. Akulov
The Identity Crisis in Trigonometry
		Rick uses a problem sent to Quandaries and Queries to illustrate the usefulness of proving trigonometric identities.
		AUTHOR(S): Rick Seaman
Towards a Better Understanding of Pi Using the Idea of Limits.
		Ed describes here an activity that students can undertake to approximate pi. It is adapted from the process used by Archimedes in about 240 BC. Students who work through this activity will improve their understanding of pi.
		AUTHOR(S): Ed Mickleburgh
What are real world applications of trigonometry?
		Students often ask where they will ever use trigonometry or why they need to study it. This note contains a use of trigonomerty in two areas where its use might be unexpected. One situation involves an artisan who needs the dimensions for a metal sculpture he is constructing and the second a homeowner who is disputing her property assessment.
		AUTHOR(S): Penny Nom
Why is a circle divided into 360 degrees?
		Kurtis Kredo sent this question to Quandaries and Queries and we thought the answer Chris gave deserved to be in the Resource Room.
		AUTHOR(S): Chris Fisher

		Page 1/1