If cot =7/8 ,find the value of (1+sin)(1-sin)/(1+cos)(1-cos)
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= 1-sin^2/1-cos^2
= cos^2/sin^2
=cot^2
from given,
cot =7/8
cot^2= 49/64
ANS: 49/64
= cos^2/sin^2
=cot^2
from given,
cot =7/8
cot^2= 49/64
ANS: 49/64
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