When using Pythagoras Theorem, the Hypotenuse is labeled with what letter?
C
When using Pythagoras Theorem, what is the formula to calculate side a?
a^2=c^2-b^2
What acronym is used to remember the three trigonometry ratios?
SOHCAHTOA
When using Trigonometry, what do the letters O, A and H represent?
Opposite, Adjacent and Hypotenuse
When using Pythagoras Theorem, what is the formula to calculate side c?
c^2=a^2+b^2
Calculate the length of the Hypotenuse (to 2 dp):
7.62
When using Trigonometry, the side length across from the angle is called?
Opposite
cos(theta)=
A/H
Calculate the length of the hypotenuse:
26
Calculate x (to 2 dp):
19.24
Find: cos(16) (to 2 decimal places)
0.96
Find: cos(59) (to 2 decimal places)
0.52
Calculate x (to 2 dp):
23.24
Abbie rides her bicycle 21 km west and then 18 km north. How far is she from her starting point? (to 2 dp)
27.66 km
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 19 and the angle = 78?
c = 91.38
Using Trigonometry, calculate the Hypotenuse side when the Opposite = 8 and the angle = 56?
H = 9.65
What is the length of bd?
12
A 17m piece of string is stretched from the top of a 15m flagpole to the ground. How far is the base of the flagpole from the end of the piece of string?
8m
A 75m zip line is attached to the top of a 50m building. If you are laying on the ground where the zip line reaches and are looking at your friend at the top of the building, what is the angle of elevation? (round to the nearest degree)
42o
Using Trigonometry, calculate the Adjacent when the Opposite side = 13 and the angle = 6?