Establish the identity.cot(? - ?) = - cot ?

What will be an ideal response?

cot(? - ?) =  =  =  =  = - cot ?

Mathematics

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A. 0 B. Not defined C. 1 D. -1

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A. 23.1 B. 55.4 C. 22 D. 22.11

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Solve the equation.3-x = 

A. {-4}
B.
C.
D. {4} 

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Graph the inequality.y2 ? 9 - x2

A.

B.

C.

D.

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