Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cot (-60°)
A. -
B. 
C. 
D. - 
Answer: D
Mathematics
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Determine the reference angle for the given angle.? = - 
A. 
B. 
C. 
D. 
Mathematics
Find f(-1) for the function f(x) = 
. Round to the nearest ten-thousandth.
What will be an ideal response?
Mathematics
Write using radical notation. Then, simplify, if possible.x1/4
A. x-4
B. 
C. 
D. 
Mathematics
Find the indicated trigonometric function for ?, given that ? is an angle in standard position with the terminal side defined by the given point.(21, 28); find csc ?
A. 
B. 
C. 
D. 
Mathematics