Sin and Cos
Vectors
Matrices
Triangles
Graphing
100
The answer to secx(cosx-cosx/csc^2x) is this trig identity
What is cos^2x
100
The dot product of the vectors <4, -5> and <6, 2> is this scalar
What is <14>
100
This is the augmented matrix for -4x+7z=19 3x+4y-9z=57 10y-4z=126 is
What is -4 0 7 19 3 4 -9 57 0 10 -4 126
100
Assume angle C is 65 degrees. Angle B is 40 degrees. And side a is 5 units. The other measurements for the triangle are these
What is A=75 degrees c=4.7 units b=3.3 units
100
The period and amplitude of y=9sin2πx is this
What is Amplitude: 9 Period: 1
200
The cos(150) is this
What is negative root three over two
200
The angle between the vectors <5,2> and <2, -1> is this
What is 48.4 degrees
200
While A=1 2 and B=3 2 2A+B is 3 4 4 1
What is 5 6 10 9
200
The angles of a triangle with side lengths of 10, 8, and, 4 are these
What is 108.2 degrees, 22.3 degrees, 49.5 degrees
200
The period and amplitude of y=2sin1/2x are these
What is Amplitude: 2 Period: 4π
300
The answer of sin^2x+cos^2x(cosx/sinx) is this
What is cotx
300
U+V for u=2i+8j and v=-i-9j is
What is <1,-1> or i-j
300
The product of 2 and 2 2 24 2 2 1094
What is not possible
300
A building is 200 feet tall. The guy wire is this length when it is attached at the top of the building and makes a 30 degree angle with the ground.
What is 400 feet
300
The period and amplitude of y=-3cos3x are these
What is Amplitude: -3 Period: 2π/3
400
All solutions to the equation 2sin-2=0 are
What is π/2+2kπ
400
U-V for u=8i+9j and v=9i-5j is this
What is <-1,14> or -i+14j
400
A-2B given A=7 and B=2 is this matrix 9 3 5 1
What is 3 3 3
400
A building 220 feet tall casts a 160 foot long shadow. The angle measure between the end of the shadow and the vertical side of the building is this.
What is 54 degrees
400
The period and amplitude for y=1/4cosx are these
What is Amplitude: 1/4 Period: 2π
500
All solutions to the equation 2cos-√3=0 are
What is π/6+2kπ and 11π/6+2kπ
500
The dot product of u=7i-j and v=7i is this
What is <49> or 49i
500
The inverse of the matrix 5 3 is this new matrix 3 2
What is 2 -3 -3 5
500
Given that b=7 units, A=40 degrees, and C=70 degrees, the other measurements of the triangle are these
What is B=70 degrees a=4.8 units c=7 units
500
The maximum for the points (0,3), (2,2), and (0,0) is
What is Maximum: (0,0)/0
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