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If cos 0+ 1=0 what is a possible value of 0
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If cos 0+ 1=0 what is a possible value of 0

User Vinit Dhatrak
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\cos\theta+1=0\ \ \ |-1\\\\\cos\theta=-1\to\theta=(2k+1)\pi,\ k\in\mathbb{Z}

User Mayur Nagekar
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