Right Triangles
Important People
Unit Circle
Law of Sines and Cosines
Sine, Cosine, or Tangent
100
The measurement of angle z
What is 13?
100
He created a theory to solve right triangles.
Who is Pythagoras?
100
The circle with a radius of one centered at the origin in the Cartesian coordinate system in the Euclidean plane
What is the Unit Circle?
100
The term stating that the ratio of a side of a plane triangle to the sine of the opposite angle is the same for all three sides
What is the law of sines?
100
Sine over cosine
What is tangent?
200
The similarity between all right triangles
What is a 90-degree angle?
200
He discovered an infinite series representations for a number of trigonometry functions, although he is mostly remembered for his description of the first practical reflecting telescope, now known as the Gregorian telescope
Who was James Gregory?
200
The sine of 330 degrees
What is the -1/2?
200
The measurement of side c in a triangle with the measurements: side b=11, angle B=82, and angle C=44
What is around 7.7?
200
Used to solve this triangle
What is tangent?
300
The measurement of the hypotenuse, where x is equal to 5 on the below triangle
What is the square root of 125 or 11.18?
300
He created a formula that establishes the fundamental relationship between the trigonometric functions and the complex exponential function
Who is Leonhard Euler?
300
Cot(210 degrees)
What is the negative square root of 3
300
a2=b2+c2-2bc cos(A)
What is the law of cosine?
300
Used when you know the measurement of the adjacent and hypotenuse side lengths.
What is cosine?
400
The length of BC on this triangle
What is 8 / √ 3?
400
The first to discover and use the Unit Circle some also describe him as the founder of trigonometry
Who was the Greek mathematician Hipparchus?
400
tan(7pi/4)
What is negative 1?
400
The law we use when you have SAS (side angle side)
What is the law of cosine?
400
The term that is considered to be the Y value on the unit circle
What is sine?
500
The measurement of side DC
What is the square root of 61 or 7.81?
500
He was a mathematician who helped develop analytic trigonometry and the theory of probability
Who was Abraham de Moivre?
500
cot(pi)
pi=3.14159265358979323846264338
What does not exist?
500
The angle that measures 34.77 degrees (hint: use the law of cosine to solve for the angles)
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What is angle B?
500
All x-values apart from pi/2+Npi
N = All integers
The domain of tangent