Conversions
Convert 2π to degrees
What is 360 degrees?
The formula for arc length.
What is s = rθ?
The formula for linear speed.
What is v = s/t?
What is v = r θ/ t?
What is v =rw ?
The six trig functions.
What are sine, cosine, tangent, cosecant, secant, and cotangent?
The circular function for sin s is
What is y?
Convert 3π/2 to degrees.
What is 270 degrees?
The formula for the area of a sector of a circle.
What is A = 1/2r2θ?
The formula for angular speed?
What is w = θ / t?
Told to solve cos(π/3), the first step to solve is
What is convert radians to degrees?
Find a calculator approximation of cos 1.85.
What is -.2756?
Convert 150 degrees to radians.
What is 5π/6 radians?
A circle with radius 7 and a central angle of 7π/2 has an arc length of
What is 49π/2?
Radius is 10 cm and angular speed is π/18. Find the angle generated in 6 seconds?
What is π/3?
Tangent of 2π/3.
What is the negative square root of 3?
The calculator approximation of cot 1.3209 is
What is .2552?
Convert 29π/36 to degrees.
What is 145 degrees?
The area of the sector with a radius of 321 m and a central angle of 15 degrees.
What is 13,500 m2?
A belt runs a pulley of radius 6 m at 80 revolutions per min. Find the angular speed of the pulley in radians per second.
What is 8π/3?
Tangent of π/2
What is undefined?
Approximate the value of s in the interval [0, π/2], if cos s = .9685.
What is .2517?
Convert 69 degrees to radians.
What is 23π/60 radians?
Hazelton Are High School is approximately due north of Dunmore High School. The latitude of Hazelton is 40 degrees N, while that of Dunmore is 34 degrees N. The radius of the Earth is 6400 km. Find the North-South distance between the two cities.
What is 670 km?
A satellite travelling in a circular orbit 1600 km above the surface of Earth takes 2 hr to make an orbit. The radius of Earth is 6400 km. Find the linear speed of the satellite.
What is 25,000 km per hour?
Cosecant of π/6.
What is 2?
Find the exact value of s in the interval [π, 3π/2], if tan s = 1.
What is 5π/4?