please it is urgent best answer will mark as brainlist
ncert chapter 8 class 10 exercise 8.4
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[Hint: Simplify LHS and RHS separately]
LHS = (1 + secA)/ secA
= (1 + 1/cos A)/1/cos A
= (cos A + 1)/cosA/1/cosA
= cos A + 1
RHS = sin2A/(1 – cos A)
= (1 – cos2A)/(1 – cos A)
= (1 – cos A) (1 + cos A)/ (1 – cos A)
= cos A + 1
LHS = RHS
hope this helps
LHS = (1 + secA)/ secA
= (1 + 1/cos A)/1/cos A
= (cos A + 1)/cosA/1/cosA
= cos A + 1
RHS = sin2A/(1 – cos A)
= (1 – cos2A)/(1 – cos A)
= (1 – cos A) (1 + cos A)/ (1 – cos A)
= cos A + 1
LHS = RHS
hope this helps
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