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All solutions in interval [0,2pi) of cosine theta plus one equals zeroAsked by Anonymous
All solutions in interval [0,2pi) of cosine theta plus one equals zero
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Answered by
Huurdurrdedooba
lets set theta = x
cos x + 1 = 0
lets solve for x
cos x = -1
x = arccos -1 arccos is inverse of cos.
Now what values would make cos -1?
Answer: 180 degrees.
cos x + 1 = 0
lets solve for x
cos x = -1
x = arccos -1 arccos is inverse of cos.
Now what values would make cos -1?
Answer: 180 degrees.
Answered by
floyd
cos theta plus one equal to zero
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