35 Answered Questions for the topic Trigonometry Functions

Trigonometry Functions Trigonometry

05/14/15

Determine which of the following does NOT represent an angle co terminal...
Determine which of the following does NOT represent an angle co terminal with the given angle θ= 5π/8?   a) -13π/8   b) 21π/8   c) 37π/8   d) -11π/8    
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Trigonometry Functions Trigonometry Trigonometry Word Problems

04/15/15

The height above the surface of the water, h, in centimeters, of a certain spot on a paddle of a miniature river boat is modeled by h(t) = 5.5cos(72t) +35
where t is the time in second since the boat started moving.    A) What are the maximum and minimum height of the spot on the paddle?  B) What is the speed of the rotation?  C) How long does it... more
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04/13/15

Determine the point(s) of intersection of f(theta) = 8sec(2theta) + 4, and g(theta) = 5sec(2theta) - 11 that lie on the interval 0 - 360 degree.
It was on my grade 11 math test, a thinking question, and our teacher never gave answers for it. I'm worried it will be a question for the exam. I'm not sure how to go about it, other than making... more
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Trigonometry Functions

09/16/14

write 2 linear functions : one to model a cost that the business has and the other to model the revenue of the business
the template of the model might look something like this: revenue= (amount off each customer)(number of customers) Cost=(cost created by each customer)(number of customers) + (some flat cost... more
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Trigonometry Functions

06/08/14

read the description
Help me please and show work please From a boat on the lake, the angle of elevation to the top of a cliff is 14°28'. If the base of the cliff is 743 feet from the boat, how high is the cliff (to... more
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Trigonometry Functions

06/08/14

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed the angle of depression to the boa
Help me please and show work please 
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Trigonometry Functions

06/04/14

pre calculus
help me please and show workplease   Bob is driving along a straight and level road straight toward a mountain. At some point on his trip he measures the angle of elevation to the top of the... more
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Trigonometry Functions

06/04/14

Analyze the function f(x) = - tan 4x. Include: - Domain and range - Period - Two Vertical Asymptotes
HI HELP ME PLEASE AND SHOW WORK AND AN EXPLANATION
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Trigonometry Functions

05/27/14

find all solutions of the given equation in the interval [0,2pi);
(4sin2x-1)sinx=0
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Trigonometry Functions Math Trigonometry Math Help

12/31/13

Use the sum or difference formulas to determine: A. sin105 degrees B. tan15 degrees
This is for my trig class. Thanks for the help!
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