When using Pythagoras Theorem, the Hypotenuse is labeled with what letter?
C
When using Pythagoras Theorem, the shorter sides are labeled with what letters?
a or b
When using Trigonometry, the side length across from the angle is called?
Opposite
When using Trigonometry, what side is between the two angles?
A
When using Trigonometry, the side length across from the 90 degree angle is labeled with what letter?
H
When using Pythagoras Theorem, what is the formula to calculate side c?
c=sqrt(a^2+b^2)
When using Pythagoras Theorem, what is the formula to calculate side a?
a=sqrt(c^2-b^2
When using Pythagoras Theorem, what is the formula to calculate side b?
b=sqrt(c^2-a^2
sin (θ)=
O / H
cos(θ)=
A/H
Calculate the length of the hypotenuse:
26
Calculate the length of the Hypotenuse (to 2 dp):
7.62
Find: cos(16) (to 2 decimal places)
0.96
Find: tan(60) (to 2 decimal places)
1.73
Find: cos(59) (to 2 decimal places)
0.52
Calculate x (to 2 dp):
23.24
Calculate x (to 2 dp):
19.24
When using Trigonometry, what trigonometric ratio is used to calculate the hypotenuse side when given the adjacent?
H=A/cos(x)
When using Trigonometry, what trigonometric ratio is used to calculate the opposite side when given the adjacent?
O=A*tan(θ)
When using Trigonometry, what trigonometric ratio is used to calculate the Hypotenuse when given the opposite side?
H = O /(sin(θ)
What is the length of bd?
12
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 Adjacent when the Opposite side = 13 and the angle = 6?
Using Trigonometry, calculate the Hypotenuse side when the Opposite = 8 and the angle = 56?
H = 9.65