Multiply and simplify.(1 - cot ?)2
A. csc2 ? - 2 cot ?
B. sin ? + csc ?
C. cos2 ? - cot ?
D. 1 + 2 sin2 ?
Answer: A
Mathematics
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For the given rectangular equation, write an equivalent polar equation.y = x
A. sin ? = - cos ? B. r = sin ? C. r = cos ? D. sin ? = cos ?
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Subtract.88
A. 86 B. 130 C. 46 D. 42
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Multiply or divide.(-9)(-1)(-3)(6)
A. 27 B. 54 C. -27 D. -162
Mathematics
Solve the equation.-12 + 10 - 6 = -2x + 7x - 17x
A. x = - 
B. x = - 
C. x = 
D. x = 4
Mathematics