Tan/seca+1 +tan/secA-1=2coseca

1.	Tan/seca+1 +tan/secA-1=2coseca
Answer» tanA/secA+1 + tanA/secA-1TanA(1/secA+1 + 1/secA-1) TanA (cosA/1+cosA + cosA/1-cosA) TanA {cosA(1/1+cosA + 1/1-cosA) TanA{cosA(1-cosA+1+cosA) /1-cos²A}TanA×2cosA/sin²ASinA/cosA×2cosA/sin²A2/sinA2cosecA

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