Which Ratio?
Use it when you know the length of the hypotenuse and the adjacent leg.
What is Cosine?
The cosine of 0 degrees.
What is 1?
The area of a circle with radius 3.
What is 9pi?
The value of x on [0, 360) in degrees when 2sin(x) = -1 .
What are 210 and 330 degrees?
The maximum height that a 20 foot ladder can reach safely if we follow the suggestion that the ladder should not make an angle grater that 75 degrees with the ground.
What is 19.32 ft?
Use it when you know the hypotenuse and the opposite leg.
What is Sine?
The sine of 120 degrees.
What is sqrt(3)/2?
The circumference of a circle with diameter 10.
What is 10pi?
The value of x on [0, 2pi] in radians when 4tanx - 11 = -7.
What is pi/4 and 5pi/4?
The distance above sea level after a plane ascends from 1 mile at a 3 degree angle for 60 ground miles.
What is 4.1 mi?
Use it when you know the two legs.
What is Tangent?
The cosine of 7pi/4 degrees.
What is sqrt(2)/2?
The area of a sector with radius 10 and central angle 90 degrees.
What is 25pi?
The value of x on [0, 360] in radians when 4secx + 12 = 20.
What is 60 and 300 degrees?
The angle of elevation of the sun when a 7.6 meter flagpole casts an 18.2 meter shadow, rounded to the nearest degree.
What is 22.7 m?
Use it when you know want to know the opposite leg and you know the measure of the angle and other leg.
What is Tangent?
The tangent of 5pi/4 degrees.
What is 1?
The arc length of a circle with radius 20 and central angle 3pi/4.
What is 15pi?
All values of x on [0, 2pi] in radians when 3cosx +1 = 10.
What are no solutions?
Use it when you want to know the opposite leg and you know the measure of the angle and hypotenuse.
What is Sine?
The cosecant of 270 degrees.
What is -1?
The area of a circle with radius pi.
What is pi3?
In degrees on [0, 360], this is when sinx = cosx.
What is 45 and 225 degrees?