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Which of the following is the correct identity for sin(2A)?

Practice Questions

1 question
Q1
Which of the following is the correct identity for sin(2A)?
  1. 2sinAcosA
  2. sin^2A + cos^2A
  3. sinA + cosA
  4. sinAcosA

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following is the correct identity for sin(2A)?
Solution: The double angle formula states that sin(2A) = 2sinAcosA.
Steps: 0

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