Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
You might also like to view...
Find the value.Let f(x, y) = xy2 + 
. Find f(-16, 4).
A. 1028 B. -80 C. (-16, 4) is not in the domain of f. D. -272
Mathematics
What is the slope of the graph of the following equations?
a. 3x + y - 6 = 0 b. x + 4y - 8 = 0
Mathematics
Provide an appropriate response.Write the equation 7x - y = -1 in slope-intercept form.
A. y = -7x - 1 B. y = 7x + 1 C. y = 7x - 1 D. y = -7x + 1
Mathematics
Factor completely. State that the polynomial is prime if it cannot be factored.64x2 - 112x + 49
A. (8x - 7)(8x + 7) B. Prime C. (8x + 7)2 D. (8x - 7)2
Mathematics