mia070820 mia070820
  • 24-09-2021
  • Mathematics
contestada

1. Prove that

2 tan x / 2- sec^2 x = tan 2x.

1 Prove that 2 tan x 2 sec2 x tan 2x class=

Respuesta :

yokaikid0911
yokaikid0911 yokaikid0911
  • 24-09-2021

Answer:

Step-by-step explanation:

Use trig identities:

1

+

tan

2

x

=

1

cos

2

x

=

sec

2

x

(

1

−

tan

x

)

=

1

+

tan

2

x

−

2

tan

x

=

sec

2

x

−

2

tan

x

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