Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 165°
A. -2 - 
B. 2 - 
C. -2 + 
D. 2 + 
Answer: C
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Graph the equation.x = 2y2 - 8y - 6 
A. 
B. 
C. 
D. 
Use the Runge-Kutta method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point.
= e2x+y; x = 0 to 0.3; ?x = 0.1; (0, 0)
A. 
B. 
C. 
D. 
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
a = 103.21 ft, c = 292 ftRound the missing side length to two decimal places.
A. A = 21° 42', B = 68° 18', b = 273.15 ft B. A = 20° 42'; B = 69° 18'; b = 273.15 ft C. A = 18° 42', B = 71° 18', b = 286.81 ft D. A = 20° 42', B = 69° 18', b =254.03 ft
Solve the problem.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 40 mph with a surface area of 33 ft2 experiences a drag of 145.2 N (Newtons), how fast must a car with 39 ft2 of surface area travel in order to experience a drag force of 313.17 N?
A. 70 mph B. 73 mph C. 75 mph D. 78 mph