Verify the identity.cos(? - ?) - cos(? + ?) = 2 sin ? sin ?
What will be an ideal response?
cos (? - ?) - cos (? + ?) = cos ? cos ? + sin ? sin ? - ( cos ? cos ? - sin ? sin ?) = 2 sin ? sin ?.
Mathematics
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Write the statement with the inequality symbol pointing in the opposite direction.
?
?
A.
B.
C.
D.
E.
Mathematics
Provide an appropriate response. Graph the absolute-value equation y = |x|.
A. 
B. 
C. 
D. 
Mathematics
Write the fraction in decimal notation.
A. 1.0625 B. 1.08625 C. 1.25 D. 1.075
Mathematics
Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three decimal places.(-7, -3) and (2, 9)
A. 
, 21.213
B. 225
C. 15
D. 21
Mathematics