The Myth
The Thief
Either
Trigonometry
Trigonometry
100
When using Pythagoras Theorem, the Hypotenuse is labeled with what letter?
C
100
When using Pythagoras Theorem, the shorter sides are labeled with what letters?
a or b
100
When using Trigonometry, the side across from the right angle is called?
The Hypotenuse
100
When using Trigonometry, the side between the known angle and the right angle is called the?
adjacent side
100
When using Trigonometry, the side length across from the 90 degree angle is labeled with what letter?
h (for hypotenuse)
200
When using Pythagoras Theorem, what is the formula we use?
200
We use Pythagoras Theorem to calculate missing sides only in _____________ triangles
Right Triangles
200
What trig ratio you use if you know the value of the hypotenuse "h" and need to find the adjacent side?
Cosine
200
sin (theta)=
O /H
200
Name the Trig Functions
Sine, Cosine, and Tangent
300
Calculate the length of the hypotenuse:
26
300
Calculate the value of the Hypotenuse 
7.62
300
Find side length AB
AB = 8.40
300
35.10 degrees
300
How long is y?
y = 8.66
400
Find the value x.
23.24
400
Calculate x (to 2 dp):
19.42
400
When using Trig function, what ratio is used to calculate the opposite side when given the Hypotenuse and an angle?
sine
400
When using Trigonometry, what ratio is used to calculate the adjacent side when given the opposite side and an angle?
Tangent
400
_______________ is a mnemonic device to remember the definitions of the trigonometric functions sine, cosine, and tangent.
SOH CAH TOA
500
Find the value of x
8
500
Find the value of x.
5.99 in
500
Pythagoras was a philosopher and mathematician from?
Ancient Greece
500
0.69m^2
500
Using Trig Functions, find the value of x
x = 12.70