Question

( sin A + cos A + 1 ) ( sin A -1 + cos A ) sec A cosec A = 2​

Answer 1

Answer:

here is you answer:)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

={(sin A + cos A) +1} {(sin A + cos A) -1}sec A. cosec A

={(sin A + cos A)^2 -1^2}sec A. Cosec A

=(sin ^2 A + cos ^2 A + 2 sinA cosA -1) sec A.Cosec A

=(1-1 +2sinAcosA) secA.cosecA

=(2sinAcosA)/cosA.CosecA

2= RHS