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Trigonometry
Trigonometry is a field of mathematics. It is the study of triangles. Trigonometry includes planar trigonometry, spherical trigonometry, finding unknown values in triangles, trigonometric functions, and trigonometric function graphs.
3,810 Questions
8.94
Who are the two astronomers formers of trigonometry?
According to recent (August 2017) research by the University of New South Wales, it was an unknown mathematician (or mathematicians) in Babylon. They produced a tablet, known as Plimpton 322, which contains tables of trig ration. This was some 1500 years before the Greek astronomer Hipparchus who, until now, was regarded the father of trigonometry. Thus, the Babylonian(s) may have been the first two astronomers - their identities are not recorded.
What does similarity have to do with trigonometry?
In geometry, similar shapes have the same angles. This means that the values of the basic trigonometric functions of these angles are the same.
What are quadratic functions used for in everyday life?
Anything involving a square law automatically invokes a quadratic function by definition, even if the equations is as simple as y = x^2, such as the area of a square (hence the names).
At a more advanced level, quadratic and higher-order functions crop up in all manner of real-life science and engineering problems.
Periodic functions are those functions for which the value of the dependent variable repeats itself for certain values of the dependent variable.
example:
F(x)=y
x is the dependent variable (output of the function)
y is the independent variable (input of the function)
F(x1)=y1
F(x2)=y1
As you can see the value of the function is the same for two different values of the dependent variable.
The smallest difference between any two dependent variables giving the same value of the function is the period of the function.
The periodicity of the usual sine function is 2pi. This is how it works:
F(X)=sin(X)
sin(x1)=y
sin(x2)=sin(x1+2pi)=y
sin(x3)=sin(x1+4pi)=y
The smallest difference between any two independent variables (x1 or x2 or x3) is 2pi.
This is also evident from the general sine curve (graphical representation). The sine function has a fixed range from -1 to 1 (i.e.,for sin(x)=y, y can only lie between -1 and 1). So, the interval (difference in values of the independent variable) after which the nature of the wave repeats is it's period. Look at the graph and you'll see that the wave replicates after covering 2pi from the current point.
What kind of triangles can you use with the Pythagorean Theorem?
Right triangles - those with a 90-degree angle.
Different ways of describing a relation?
by congruence, difference, or by identifying w/c is greater or less
What do the asymptotes represent when you graph the tangent function?
When you graph a tangent function, the asymptotes represent x values 90 and 270.
a right angle or any other angle does not have a length. your question cannot be answered.
What kind of angles does a square have?
Easy! Squares have right angles (90)
D = Degrees
90 is a right angle (Square)
180 is a straight line (Horizontal line)
270+ Reflex angle (A Pac-man Shape)
90x4= 360 - a square has 360 altogether
What is trigonometric identities?
Just as with any other identity, a trigonometric identity is a trigonometric statement (other than a definition), which is true for all values of the variable or variables.
Yes, but only if the argument of the sine function is in radians.
The language of the question is too ambiguous. In mathematics, we use precise language to avoid this problem. point a is 40 metres from the base of building B the angle of elevation to the top of building C is 51 degree and to the top of the flagpole D on top of building is 56 dedree
A difference between direction and bearing?
For sailors, bearing is the angle measured clockwise from North. For mathematicians, direction is measured counter-clockwise from the positive x-axis. Thus, due East as a bearing would be 90 degrees, since it is 90 degrees clockwise from North, and East as a direction would be 0 degrees, since East is the same as the positive x-axis. So yeah, there you go.
that is not a mathematical question, you have to know what its made of.
What is bearing in trigonometry?
It is a measure of angular displacement, expressed as a three digit number. It starts at North = 000 and is measured in the clockwise direction.
What is pipefitting formula for 45 degree offset?
whatever the offset is times it by 1.414 and this will give you your travel then just take off the centres of the 45's and you have your cut length....for instance if the offset is 12 inchs you multiply it by 1.414 you come up with 16.968..meaning 1 foot 4 inchs 15/16 just thought alittle clarity might help if the person was new in trade.
What is this expression as an algebraic expression cos parenthesis arccosx-arcsinx parenthesis?
The above expression cannot be expressed in an algebraic form.
How is trigonometry relevant to our everyday life?
Surveying is all trig. Much trig in physics and engineering,
What are the uses of carpentry in trigonometry?
Trignometry is used to calculate angles in length in carpentry.
Ray which cross vertical line is called horizental ray....
as simply u can see the gray line is vertical of my text
