Perform the indicated operations and simplify the result so there are no quotients to complete the identity.csc ?(sin ? + cos ?) = ?

A. sin ? tan ?
B. 1 + cot ?
C. -2 tan2?
D. sec ? csc ?


Answer: B

Mathematics

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Solve the differential equation subject to the initial conditions.(x + 2) - 2(x2 + 2x)y = ; x > -2, y = 0 when x = 0

A. y = ex2 , x > -2
B. y = e-x2 , x > -2
C. y = -e-x2 , x > -2
D. y = -ex2 , x > -2

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Express in terms of a base raised to a positive exponent. Then simplify, if possible.-x-8

A. -x8
B. - 
C.
D. - 

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Find the derivative of the function.y = log3

A.
B.  
C.  
D.  

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A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).(-3, -135°)

A.
B.
C.
D.

Mathematics