Cosx=-1/3 x lies in 3rd quardent find sinx/2 cosx/2 tanx/2

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asked Jul 29, 2017 by Sp Pandey (30 points) 2

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+2 votes
answered Jul 29, 2017 by vikash (21,277 points) 4 19 70
selected Jul 29, 2017 by sarthaks
 
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