lf `sintheta+sinphi =a` and `costheta + cosphi = b`, find the value of `tan((theta-phi)/2) `
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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW lf `sintheta+sinphi =a` and `costheta + cosphi = b`, find the value of `tan((theta-phi)/2) `
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