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CBSE Class 10 Answered

<div>let sinx+sin y=a and cos x+cos y=b, show that tan x/2and tan y/2 are the roots of equation :</div> <div>&nbsp;</div> <div><strong>(a^2+b^2+2b )t^2-4at+(a^2+b^2-2b)=0</strong></div>
Asked by satishsingh881 | 22 Sep, 2014, 11:12: PM
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Answered by Vimala Ramamurthy | 23 Sep, 2014, 10:55: AM
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