Can anyone solve this??
I need the answer urgently...
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Let theta=x.
(cosx+sinx)/(cosx-sinx)=?
On dividing in Nr. and Dr. by cosx
=(1+tanx)/(1-tanx)
On putting tanx= a/b
=(1+a/b)/(1-a/b)
=[(b+a)/b]/[(b-a)/b]
=(b+a)/(b-a). Answer.
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ans is attached
done hope it helps you
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