Name the Trig Function
Trig Ratios
Trig Vocabulary
Pythagorean Theorem
Random Facts
100
The trig function that is defined as opposite over hypotenuse.
SINE
100
The value of cos (45) correct to 2 decimal places.
0.71
100
The side opposite the right angle of a right triangle.
hypotenuse
100
The missing side of the right triangle when a=6 and c=10.
b=8
100
What are the only two mammals that lay eggs
Platypus and Echidna
200
This trig function is defined as opposite over adjacent.
TANGENT
200
The value of tan (37) correct to 1 decimal place
0.8
200
What is the only type of triangle you can use trig ratios with?
right-angled triangle
200
The missing side of a right triangle when b=9 and c=15.
a=12
200
What gemstone is mined in Coober Pedy?
opal
300
This trig function is defined as adjacent over hypotenuse.
COSINE
300
What are trig ratios used for?
Trig ratios are used to solve for a side in right triangles.
300
The angle opposite the hypotenuse.
right angle
300
The missing side of a triangle when a=5 and b=12.
c=13
300
What Australian instrument is the worlds oldest musical instrument?
Didgeridoo
400
This is the mnemonic device (or trick) used to remember all 3 trig ratios.
SOH CAH TOA
400
24/7 or 3.43
400
The formula needed when a side length is missing from a right triangle.
Pythagoras' Theorem
400
The missing side of a triangle when a=3 and c=5.
b=4
400
How many time zones are there in Australia?
3
500
Use this trig function when you do not have the hypotenuse but you have the other two sides.
TANGENT
500
What trig ratio do you need to use to solve for BC? What is the length of BC?
Cosine
BC = 1.71
500
The 2 acute angles in a right triangle total the following degree _________
90
500
The missing side of a right triangle when a=7 and b=7.4.
c = 10.2
500
What percentage of Australia is desert?
35%