Choose the expression which is equivalent to the given expression.
A. cot 5°
B. cos 5°
C. sin 5°
D. tan 5°
Answer: A
Mathematics
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Establish the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
Mathematics
Tell whether the statement 
is true or false.
?
A. false B. true
Mathematics
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
6 cm
A. 45 cm B. 22.5 cm C. 6.708 cm D. 4.5 cm
Mathematics
Solve the quadratic inequality. Graph the solution.v2 + 4v - 21 ? 0
A. [3, ?)
B. (-?, -7]
C. [-7, 3]
D. (-?, -7] ? [3, ?)
Mathematics