
trigonometry, we don’t measure angles in degrees, but in?
In this, we don’t measure angles in degrees, but in radians.

there are how many radians in a circle
there are 2π radians in a circle

the fact that there are two radians in a circle means what?
This means that 1/4 of a circle corresponds to 1/2 π radians, or π/2, and not a quarter of something!

Think about the two most important trigonometric functions. What are they? and what is remembered about them regarding positive and negative values?
sine and cosine. What’s most helpful to remember about them is that sin= cos(2 π) = 1, and sin = cos(π) = –1.

the golden ratio is a common theme in ancient archaeology and is seen as what number? When are two quantities in the golden ratio?
1.61803398875. In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities.

the golden ratio is proported to be used at what ancient greek structure?
The Parthenon in Athens, built by the ancient Greeks from 447 to 438 BC, is regarded by many to illustrate the application of the Golden Ratio in design.

There are two forms of pie. in math there in PHI and Pi. What is the difference?
Phi is the golden ratio 1.618 and pi is the number 3.146

the fibonacci series is what?
a series of numbers in which each number is the sum of the two preceding numbers.This series in match is 1,1,2,3,5,8,13,21,34,55 and so on. but if you take the smaller number and divide by the larger, the ratio becomes almost always .61 as you increase numerically it becomes more definite.

What number was not allowed to be spoken of in early Pythagorean secret society circles, or this was punishable by death?
5

What is a Pythagorean triple?
This is the right triangle where the sides are in the ratio of integers (whole numbers). the most common example is the 345 triangle which is also the 51213 triangle and would be represented by the formula A²+B²=C²

