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prove that (cosecA-secA)(cota-tana)=(cosecA+secA)(secAcosecA-2)

prove that (cosecA-secA)(cota-tana)=(cosecA+secA)(secAcosecA-2)

Grade:11

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
7 years ago
PFA228-1880_1.PNG

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