Verify the identity.cos 
= 
cos ? - 
sin ?
What will be an ideal response?
cos 
= cos ? cos 
- sin ? sin 
= 
cos ? - 
sin ?.
Mathematics
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Rearrange the equation into standard form.6x2 - 6x = 12
A. 6x2 - 6x -12 = 0 B. 6x2 + 6x -12 = 0 C. -6x2 - 6x -12 D. 6x2 - 6x +12 = 0
Mathematics
Use the figure below to answer the following question(s).
Which graphs are disconnected?
A. Graph 3 only B. Graph 1 and Graph 4 C. Graph 2 and Graph 3 D. Graph 2 only E. none of these
Mathematics
Find the event that corresponds with the outcome.Rolling a 4 on the red die when a red die and a blue die are rolled.
A. 
B. 
C. 
D. 
Mathematics
Simplify the power of i to i, 1, -i or -1.i12
A. -1 B. -i C. i D. 1
Mathematics