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2 sin x= -1

x | x = ? + 2pi(k)

and

x | x=?+2pi(k)

the answer must be an integer or fraction

2007-10-27 14:01:03 · 1 answers · asked by Anonymous in Science & Mathematics Mathematics

1 answers

sin x = -1/2

Between 0 and 2pi, x = 7pi/6 and 11pi/6

ALL answers would be found by adding 2pi and subtracting 2pi from these two solutions.

2007-10-27 14:07:39 · answer #1 · answered by lhvinny 7 · 0 0

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