Use a double-angle formula or a half-angle formula to simplify 2sin12cos12.

(a) sin 24
(b) cos 24
(c) sin12
(d) cos12
(e) none of these


(a) sin 24

Mathematics

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Find the limit.

A. 2/3 B. 0 C. -? D. ?

Mathematics

Multiply.(-4x5y2)(4xy2)(8x5y)

A. 8x25y4 B. -128x25y4 C. 8x11y5 D. -128x11y5

Mathematics

Provide an appropriate response.The shape of a paper streamer suspended above a dance floor can be described by the function  where y is the height of the streamer (in feet) above the floor and x is the horizontal distance (in feet) from the center of the room. Use a graphing calculator to graph the function.

What will be an ideal response?

Mathematics

Solve the equation by completing the square.p2 + 3p - 9 = 0

A.  
B. -3 ± 3
C.  
D.  

Mathematics