find the smallest positive numbers x such that cos x=-1/2
find the smallest positive numbers x such that cos x=-1/2
jasmeen , 7 Years ago
Grade 12th pass
Trigonometry> find the smallest positive numbers x such...
1 Answers
Preetham Reddy
The smallest positive value for which cos is negative is in the second quadrant so in the second quadrant the smallest value is 129 degrees or 2Ο/3
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