Solve the linear equation 5/8 a = 8
a = 64/5
Find the radius or the circle given the equation (x+3)^2 + (y)^2 = 25
r = 5
Evaluate cos(40)tan(40)csc(40)
1
Assume U=30 degrees. Find sin(2U)cos(2U)
(sqrt(3))/4
What is 270 degrees in radians?
1.5pi
Solve for y: 2(y+6) + 3 = 6 - y
y = -3
A circle has a diameter from (1, -2) to (3, -2). Find its equation.
(x - 2)^2 + (y + 2)^2 = 1
Evaluate sec(a)/cos(a) - tan(a)/cot(a)
1
What’s the equivalent angle of 780 degrees?
A triangle had its angles in a ratio of 2:5:8. Find the measure of its largest angle in radians.
8/15 pi
Solve 2(x-2)^2 - 8 = 0
0, 4
Find the centroid of a triangle with the coordinates (1,3), (2,10), (-2,-5)
(1/3, 8/3)
cos(x)/sin(x) = 1.2. Find sec^2(x)
1.69
What is the amplitude of y=6 - 2cos(3x+5)
2
sin(A)/a = 0.4. Find b assuming angle B equals 45 degrees
b = 5/2(sqrt(2))
Solve for x if tan^2(x) + tan(x) = 0, [0, 2pi)
0, 3pi/4, pi, 7pi/4
A straight line is 15 units long. It terminates at the coordinates (4,7) and (x,-5). Find all possible x values.
x = -5, 13
Find x if cos(45 + x) = sin(27)
18
For what values does sin(sin^-1(x)) = x?
-1<x<1
Triangle XYZ is such that x=3, y=2, and z=4. Find cosY
cosY = 0.875
Solve for x if 2sin^2(x) - sin(x) = 0
0, pi, pi/6, 5pi/6
A parallelogram GHIJ has the vertices with coordinates G(5,1), H(8,-2), I(9,3), and J(x,0). Find x
x = 6
Simplify the expression (cos(x))/(1-sin(x))
tan(x)+sec(x)
Solve for P using cos^2(P) + 9cos(P) - 10 = 0 for the first quadrant. Use degrees.
P = 0 degrees
A triangle XYZ is such that 2*<Y = <X + <Z, and y:z = sqrt(3):sqrt(2). Find <Z.
<Z = 45 degrees