What number is equivalent to the expanded form shown below?

(2 times 100) plus (3 times 1) plus (4 times 1/10) plus (3 times 1/100)

A:203.043

B:203.403

C:230.430

D:230.403

Find all solutions of the equation 2 cosine squared theta plus 9 cosine theta minus 5 equals 0 , in the interval [0,2pi ).

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