Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 165°
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
You might also like to view...
Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 4x and below by y = 3x2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A sensor light installed on the edge of a home can detect motion for a distance of 
in front and with a range of motion of 
Over what area will the sensor detect motion and become illuminated? Round to the nearest hundredth.
A. 21,771.02 ft2 B. 21,770.92 ft2 C. 10,885.46 ft2 D. 10,885.36 ft2
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 1
C. 
D. 
Mathematics
Evaluate as requested.Given that h(x) = 6x - 
, find h(-x).
A. 6x - 
B. -6x - 
C. -6x - 
D. -6x + 
Mathematics