Math, asked by keerthi1830, 15 hours ago

sin2 theta in terms of tan

Answers

Answered by DNA16

0

Answer:

sin 2A = 2tanA1+tan2A

Step-by-step explanation:

sin 2A = 2 sin A cos A

⇒ sin 2A = 2 sinAcosA ∙ cos2 A

⇒ sin 2A = 2 tan A ∙ 1sec2A

⇒ sin 2A = 2tanA1+tan2A

There for sin 2A = 2tanA / 1+tan2A

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