if a = costheta +i sin theta , prove tha...

if `a = costheta +i sin theta `, prove that `(1+a)/(1-a) = cot(theta/2)i`

if a = costheta +i sin theta , prove that (1+a)/(1-a) = cot(theta/2)i
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if a=cos theta+i sin theta, prove that (1+a)/(1-a)=cot((theta)/(2))i
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Prove that (1+sin theta)/(csc theta-cot theta)-(1-sin theta)/(csc thet...
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If alpha = cos theta+i sin theta,then (1+alpha)/(1-alpha) equals (i)c...
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If a=cos theta+i sin theta, then (1+a)/(1-a) is equal to ( i) cot((the...
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Prove that : (1-costheta)(1+costheta)(1+cot^(2)theta)=1
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Prove that (i) (1- sin theta)/(1+ sin theta)=(sec theta - tan theta ...
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सिद्ध कीजिए (1-sin theta+cos theta)^(2)=2(1+costheta)(1-sin theta).
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सिद्ध कीजिए कि (i) (1-sin theta)/(1 + sin theta ) = ( sec theta - ...
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