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prove that sin 2 ​A(sinA/cosA+cosA/sinA)=tanA

  • prove that sin​A(sinA/cosA+cosA/sinA)=tanA

Grade:8

1 Answers

Aabhas kedia
13 Points
6 years ago
sin​A(sinA/cosA+cosA/sinA)=tanA
sin2A(sin2A + cos2A)/sinAcosA
sin2A(1)/sinAcosA
sinA/cosA
tanA

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