If sin- -sin- -1-3 and cos- -cos- -1-2- then - -2-k-3- Find the value of k-

#160;sinα #160; sinβ #160; = 1 / 3 ⇒ 2cos( α +β #160;/ 2 #160;) #160;sin( α β #160;/ 2 #160;) #160; = 1 / 3 #160; ...(1) #160 ...

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Discriminant

If sinα -si...

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If $sin α - sin β = 1 / 3$ and $cos β - cos α = 1 / 2,$ then $cot \frac{α + β}{2} = \frac{k}{3}$ . Find the value of $k$ .

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