Find the exact value of the expression without using a calculator.sin  cos  - cos  sin 

A. 1
B.
C.
D.

Answer: C

Mathematics

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What will be an ideal response?

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A. 6 cos x B. cos x C. cos 6x D. 6 cos 6x

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Simplify the expression.125-4/3

A. 625
B. - 
C. -625
D.

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Use the substitution method to solve the system.  x - 7y = 3-2x - 6y = -6

A. (3, 0) B. (4, 3) C. (-3, -1) D. No solution

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