Multiply.-2 ? 5 ? (-6) ? 2
A. 36
B. 120
C. -36
D. -120
Answer: B
Mathematics
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A. 6 ln 2 B. 3 ln 2 + 3 ln 3 C. -3 ln 2 - 3 ln 3 D. 3 ln 2 - 3 ln 3
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Verify the identity.tan 2 ? (1 + cos(2?)) = 1 - cos(2?)
What will be an ideal response?
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Find the algebraic expression that is equal to cos (180° - ?). ?
A. 
B. -sin ?
C. sin ?
D. -cos ?
E. cos ?
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Find the exact value by using a half-angle identity.sin 
A. 
B. 
C. 
D. 
Mathematics