Math, asked by bajpayeeritesh, 1 year ago

what is the formula of sin-2A or cos - 2A

Answers

Answered by manisha00

2

Answer:

sin2A =2sinAcosA

cos2A=cos²A-sin²A =2cos²A-1=1-2sin²A

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Answered by brunoconti

1

Answer:

Step-by-step explanation:

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