Evaluate the following expression using a unit circle.sin 
A. - 
B. 
C. - 
D. 
Answer: B
You might also like to view...
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.tan2 x + 5 tan x + 3 = 0
A. {51.8°, 128.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {103.1°, 145.1°, 283.1°, 325.1°} D. {70.5°, 109.5°, 180°}
A storage bin for corn consists of a cylindrical section made of wire mesh, surmounted by a conical tin roof, as shown in the figure. The height of the roof is one-third the entire height of the structure. If the total volume of the structure is 1,200 feet 3 and its radius is 
feet, what is its height? Round your answer to the nearest tenth.
?
Hint: use the formulas for the volume of the solid.
?
Volume of cone = 
Volume of cylinder = 
?
?
A. 9.9 feet
B. 12.8 feet
C. 15.6 feet
D. 4.1 feet
E. none of these
Find the area.Leave the answer in cm2.
A. 60 cm2 B. 240 cm2 C. 312 cm2 D. 120 cm2
Solve.The supply function for a product is given by p = q2 + 3q + 125 and the demand is given by 
where p is the price in dollars and q is the number of hundreds of units. Find the price that gives market equilibrium and the equilibrium quantity.
A. $10; 255 units B. $305; 1200 units C. $255; 1000 units D. $100; 555 units