Solve the problem.If cot ? = -8.0, find the value of cot ? + cot (? + ?) + cot (? + 2?).
A. -24 + 3?
B. -22
C. -24
D. undefined
Answer: C
Mathematics
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Use a product-to-sum identity to rewrite the expression.cos 1° sin 48°
A. 0.5(sin(49°) + sin(47°) ) B. 0.5(cos(-47°) - cos(49°) ) C. 0.5(sin(49°) + sin(-47°) ) D. 0.5(cos(49°) + cos(-47°) )
Mathematics
Solve the equation.
= 
A. {-12} B. {4} C. {3} D. {-4}
Mathematics
Decide whether the following is a statement or is not a statement.My favorite baseball team will win the pennant.
A. Not a statement B. Statement
Mathematics