If cotA =b/a then the value of (cosA + sinA)/ (cosA - sinA)
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tanA =a/b -----1)
from question .
cosA+ sinA/cosA -sinA
1 + tanA / 1 - tanA { dividing by cosA }
=] 1+ a/b
------------- [ From 1 ]
1 -a/b
=> a +b /b
---------------
a- b/b
=] ✓a+b /a-b
Step-by-step explanation:
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