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Trigonometry Lesson 8 " Trig word problems"

546 views · Published 13 June 2014 · 48:47 · Indexed 1 November 2026

Channel: MooMooMath and Science · 2014 · Education

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Trig lesson 8
This is a really long video. Please use the video guide and note taking guide to navigate
Sample problems of trig functions
1:00 Looking at patterns and characteristics of trig functions
2:50 Looking at the rule sinx = cos(90=x)
4:45 Looking at patterns of tangent
5:27 Explaining the rule tanx =1/(tan(90-x)
6:19 Part2 more relationships 1. Drawing triangle ABC and angle B is 90 degrees You are given the cos and sin
10:36 Practice 1 Finding tangent of a tangents compliment
11:10 Ptactice 2 Finding cosine when given sin
13:16 Trig word problems
 1.Lenny is planning to cut down a pine tree and he wants to make sure that the tree will not hit his truck when it falls.  The tree casts a shadow that is 150 feet long, and the angle of elevation from the base of the shadow to the top of the tree is 50°.
2.18:10 A skateboard ramp is 6 feet long, and it stands 3 feet high.  What is the angle of elevation of the ramp to the ground?

20:01 3.We have a basic triangular shaped tent.  The base of our tent is 10 feet wide and the middle support pole is 6 feet high.  At what angle does the tent touch the ground?
23:04 Mixed word problem 4
27:13 Mixed word problem 5
32:54 Mixed word problem 6
35:29 Mixed word problem 7
38:14 Mixed word problem 8
42:10 Mixed word prom9
44:30 Mixed word problem 10
46:38  Mixed word problem 11

If you need help in trigonometry I have put together a trigonometry unit. This is one video of the trigonometric unit that contains 14 videos, along with a note taking guide for each video, Click here for the table of contents:
http://www.moomoomath.com/trigonometry-problems.html

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