Represented by length of the vector
What is Magnitude
The Law of Sins
What is sinA/a = sinB/b = sinC/c
What is a/sinA = b/sinB = c/sinC
The area of triangle ABC given C=72.2o, b=43.8ft, a=35.1ft
What is 732ft2
The solution of u-v, where u=⟨-2, 5⟩ and v=⟨4,3⟩
what is ⟨-6, 2⟩
The side length of a, given triangle ABC; C=74.08o, B=69.38o, c=45.38m
What is 28.10m
The Vector Sum
What is Resultant
The Area Formula (that applies to this unit)
What is (1/2)bcsinA; (1/2)absinc; (1/2)sinc
The area of triangle ABC given A=34.97o, b=35.29m, c=28.67 m
What is 289.9m2
The magnitudes of the horizontal and vertical components of v, if α is the angle of inclination of v from the horizontal, when α= 20o, |v|= 50
What is |x|= 47 and |y|= 17
The side length of b and c, given triangle ABC; B=38o40' a=19.7cm, C=91o40'
What is 16.1cm and 25.8cm
Each of the Vectors being added
What is component
b = √[(ccosB-a)2 + (c sinB)2]
What is Distance Formula
The area of triangle ABC given a=22 in., b=45 in., c=31 in.
What is 310in2
given u= ⟨-2,5⟩ and v= ⟨4,3⟩
What is ⟨22,9⟩
The side length of b1 and b2, given triangle ABC; C=29o50', a=8.61m, c=5.21m
What is 10.4m and 4.51m
Quantities involving magnitudes
What is Scalars
a2 = b2 + c2 - 2bccosA
b2 = a2 + c2 - 2accosB
c2 = a2 + b2 - 2abcosC
What is Law of cosines
The area of triangle ABC. a=25.4 yd, b=38.2 yd, c=19.8 yd
What is approximately 228 yards2
The measure of the direction angle as an angle in [0o,360o] where ⟨-4,4√3⟩.
What is θ=120o
The side length of a, given triangle ABC; A=41.4o, b=2.78yd, c=3.92yd
What is 2.60yards
Second Letter of vector name, ending point of vector
What is Terminal Point
The Formula of the magnitude of a vector u=<a,b>
What is |u|= √(a2 + b2)
The area of the triangle that is formed when figuring out the following problem: A pilot is flying at 168 mph. The pilot wants the flight path to be on a bearing of 57o40'. A wind is blowing form the south at 27.1 mph. Find the bearing the pilot should sly, and find the plane's groundspeed.
What is 2276.4 units2
The x- and y-components of v, given θ= 75o, |v|= 100
What is ⟨25.882, 96.593⟩
The side length of c, given triangle ABC; b=60, a=82, B=100o
What is No Solution. Triangle does not exist.