Prove The Following
1+CosA/SinA = CotA/2
YOU MAY REFER A AS THETA
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Step-by-step explanation:
LHS
=(1+ cosA)
sinA
since, cos2Q=2cosQ^2-1
& sin2Q=2sinQcosQ
=( 2cosA/2*cos A/2)
(2sinA/2cosA/2)
= cosA/2
sinA/2
= cotA/2
= RHS
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