Verify the identity.
- 
= cos ? - sin ?
What will be an ideal response?
- 
= 
- 
= 
- 
= 
= 
= cos ? - sin ?
Mathematics
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Use divisions to convert the base ten numeral to a numeral in the given base. 125 to base three
A. 11122three B. 11121three C. 1112three D. 1122three
Mathematics
Simplify the expression, if possible.
A. Not an integer B. -6 C. 6 D. 12
Mathematics
Multiply and simplify. Assume variables do not cause any denominators to equal 0.- 
? 
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (-3, 0, 4) B. (3, 0, -4) C. (0, 6, -1) D. (0, -6, 1)
Mathematics