Generally pre-calculus is taken after trigonometry, unless the trigonometry course was supplemented by a pre-calculus course, in which case the next course would be calculus.
I can give you several sentences.I have to take trigonometry next year.Trigonometry relates to triangles.I never did understand how to do that trigonometry problem.
The next degree, generally, is a Masters.
First, draw a line. Then, using a protractor, depending on what type of protractor you have, make a mark next to the 100° mark or 10° away from 90°. Finally, draw another line.
The next degree is the master's degree.
Set your strings up at one corner. Use the corner as a start point. From that corner measure out 3 feet and make a mark on the line. Next, on the other line measure out 4 feet and make a mark. Hold the end of your tape measure at one of the marks. Now have some one move the far end of the other string in and out until you line up the mark at 5 feet from the other mark. When you have a diagonal line of 5 feet from mark to mark, your corner will be square. You can now just measure from the lines that are now square to set the other lines.
History of trigonometry.The history of trigonometry dates back to the early ages of Egypt and Babylon. Angles were then measured in degrees. History of trigonometry was then advanced by the Greek astronomer Hipparchus who compiled a trigonometry table that measured the length of the chord subtending the various angles in a circle of a fixed radius r. This was done in increasing degrees of 71.In the 5th century, Ptolemy took this further by creating the table of chords with increasing 1 degree. This was known as Menelaus's theorem which formed the foundation of trigonometry studies for the next 3 centuries. Around the same period, Indian mathematicians created the trigonometry system based on the sine function instead of the chords. Note that this was not seen to be ratio but rather the opposite of the angle in a right angle of fixed hypotenuse. The history of trigonometry also included Muslim astronomers who compiled both the studies of the Greeks and Indians.In the 13th century, the Germans fathered modern trigonometry by defining trigonometry functions as ratios rather than lengths of lines. After the discovery of logarithms by the Swedish astronomer, the history of trigonometry took another bold step with Isaac Newton. He founded differential and integral calculus. Euler used complex numbers to explain trigonometry functions and this is seen in the formation of the Euler's formula.The history of trigonometry came about mainly due to the purposes of time keeping and astronomy.
The next in the sequence is typically a doctorate.
To construct an angle of 142.5 degrees, you can start by drawing a straight line using a ruler. Then, using a protractor, mark a point on the line to serve as the vertex of the angle. Next, align the protractor so that the 0-degree mark is at one end of the line and the 180-degree mark is at the other end. Finally, mark a point at 142.5 degrees on the protractor, and draw a ray from the vertex through that point to create the angle of 142.5 degrees.
Figure out which way you want to draw your angle. If you wish to draw the angle to the left, use the bottom row of numbers listed on the top and sides of your protractor and vise versa. Make a mark next to the number of the angle you wish to make (example: a 45 degree angle you would make a mark next to the number 45) then trace the bottom flat edge of the protractor. Using the mark you just made, make a line to connect the mark and the line you drew.
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