Trigonometry

This is referring the trigonometry, and is a shorthand to jot on the corner of the page if you are a beginner, s, just means sin; c means cos, and t tan, a means opposite and a alternate.

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If the base of the elevation is at a distance d from the observer, then the highest point is at a height = d*tan(angle of elevation)

Trigonometry has been developed over centuries, and was not discovered per-se by any one person. One might say that Pythagoras is the father of trigonometry because the Pythagorean theorem is so central to trigonometric theory, but many cultures were aware of the Pythagorean theorem before Pythagoras was even born.

when a body is thrown at an angle in a projectile motion, the vertical component of the velocity is vcos(B) ..where v is the velocity at which the body is thrown and B represents the angle at which it is thrown.Similarly horizontal component is vsin(B). these components are useful in determining the range of the projectile ,the maximum height reached,time of ascent,time of descent etc.,

Heptagon - a polygon having seven sides

by working more examples on what you are taught.one can also learn by going to extra classes and using what we learn every day in everything we do.

diameter is 3 ft diameter = 2*radius diameter/2 = radius 3/2 = 1.5 ft = radius area is pi * radius2 3.14 * (1.5)2 3.14 * 2.25 = 7.065 sq ft

2 square root of 5

Budhayana

The answer is 60 and 240 degrees.

Add radical 3 and inverse tan to get answer add 180 for other answer less than 360.

geometry

Benget, the original reference to La Trinidad and which eventually became the name of the province La Trinidad belongs to, has two meanings: foul smell and the turban part of the Ibaloi womenfolk costume. How Trinidad looks today -a valley engulfed with mountain ridges, owes it to the traumatic volcano eruption and earthquake in 1641, such that the apex collapsed and decimated into a lake of sulfur. Hence, La Trinidad is a crater. As time went by, the lake dried up. Even though it stunk from sulfur, it attracted farmerfolks from nearby and surrounding villages that included Kafagway (today's Baguio City). The place was found to be perfect for their payew or farmlands and animal pastureland. Benget, pronounced in the typical Ibaloi schwa sound, eventually became home to La Trinidad's ancestors: Baban and his children, Capdin and Agmaliw, Berang married to cCoranay, Pa-ang married to Tamec, among others. They would be referred to as i-Benget (one from Benget). Guillermo de Galvey, the Spanish conquistador that made it to the heart of Ibaloi land, immediately fell in loved with the place and named it in honor of his wife Trinidad, in honor of the majestic awesomeness the valley represented which reminded him of his wife. The anecdote that La Trinidad earned its name from a misinterpretation, of course, could have been corrected thereafter. Nonetheless, the Spanish conquistadors took note of the coincidence between the two meanings of that one word and the prominence the turban brought about, thus found the place appropriately named. The reference to Benget expanded to include all other areas the Spaniards found to have womenfolk wearing the benget. Thanks to their mission for expedition and adventurous spirit. Spanish records, understandably would have the name written in the manner the Spaniards would pronounce and spell it, Benguet. La Trinidad and Benguet became official names in 1846. -Esther Dawn Paclim ( for the Historical booth of Puguis, La Trinidad -March 2009)

Examples include:

validating the line of sight evidence of witnesses.

calculating the angle of a shot being fired and therefore the direction from which a shot was fired. If several shots were fired in a small time interval (so the shooter was more or less in the same place), the shot trajectories identify his/her location.

in the case of blunt instrument injury, calculating the angle of impact can give some indication of the relative heights of the victim and assailant.

There are a few ways. First, there are a multitude of trigonometric tables which list the sines and cosines of a variety of values. if you now one trigonometric value of a number, you can find all the others by hand, and you can also use a Taylor series approximation to find a fairly accurate value. (In fact, many calculators use Taylor series to find trigonometric values.)

The answer depends on what information you have about the other sides and angles.

According to the scientific calculator on my computer, that would be 0.1016. I gave you 4 significant digits because you gave me the angle to 4 significant digits.

cos(51°) ~ 0.63

Navigation takes place on the surface of a sphere, and it involves angles and distances. Spherical trigonometry was developed from plane trigonometry so that navigators could find their away over the Earth's surface.

This should be fairly straight-forward. Let's see... we have: 60 Meter per Pole * 24 Poles per Minute = 1,440 Meters per Minute * 60 Minutes per Hour = 86,400 Meters per Hour / 1,000 Meters per Kilometer = 86.4 Kilometers per Hour (or approximately 53.7 MPH). Are we good?

the fortistat of isobars multiplied by 34.98 inches divided by the barometric pressure on venus +456 cubic meters is the answer

Measure an angle!

z = 3i

r=3

theta=taninverse(3/0)=undefine

as we know tan theta is undefine at 90 and 270....check through qustion ..their is + sign with imag part....its mean angle is 90

so we write it as

3(cos90 + isin90)

It's Sine!

In terms of what?