Math, asked by anithamanu4, 9 months ago

how to prove sin 2a by cos2 a=tan2a

Answers

Answered by Anonymous
3

Answer:

Sin (2A) = 2sinAcosA = 2tanA/1+tan^2A

Formula for sin2A is 2sinAcosA . You can also write as sinA is 2sin(A/2)cos(A/2). If you want to represent sin function in half of the angle its have, you can use the above formula

Answered by Anonymous
3

Answer:

oh ...... great you are in 10th class.

and your favourite is Tiger shroff.

Step-by-step explanation:

oh... my god in maths you are on 8th chapter

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