Prove it ...........
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Step-by-step explanation:
LHS = √(1+cosA)/√(1-cosA)
= Multiply the numerator & the denominator by √(1+cosA)
= √(1+cosA)² / √(1 - cos)(1+cosA)
= (1+cosA) / √(1-cos²A)
= (1+cosA) / √(sin²A)
= (1 + cosA) / sinA
= (1/sinA) + (cosA/sinA)
= cosec A + cot A = RHS
Hence Proved that LHS = RHS
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