Find the exact value of the expression. Do not use a calculator.cot
- cos 
A. -
B.
C.
D. -
Answer: D
Mathematics
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Answer the question.When is a parallelogram a rhombus?
What will be an ideal response?
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Find an equation of a sphere with the given radius r and center C.
What will be an ideal response?
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Solve the system.
A. inconsistent (no solution) B. dependent (many solutions) C. (0, 5) D. (-1, 6)
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Translate the following into an inequality statement.x is greater than or equal to -5 and less than 6.
A. -5 < x ? 6 B. 6 ? x < -5 C. -5 ? x < 6 D. -6 < x ? 5
Mathematics