Express the product as a sum containing only sines or cosines.2 cos (7?) cos ?
A. cos (8?) + sin (6?)
B. cos (10?) + sin (4?)
C. cos (8?) + cos (6?)
D. cos (14?) + cos (2?)
Answer: C
Mathematics
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Provide an appropriate response.A function y = f(x) is continuous on [-4, 3]. It is known to be positive at 
and negative at 
What, if anything, does this indicate about the equation 
Illustrate with a sketch.
What will be an ideal response?
Mathematics
Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 3ab
B. 3
C. -3a2b
D. 3ab
Mathematics
Establish the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
Mathematics
Solve the system of equations by graphing.
?
?
A. (-4, 4) B. (4, -4) C. (-3, 5) D. (4, 1) E. (3, 11)
Mathematics