Top

Discussion

The value of \(\sin(2A)\) is given by:

  • A.\(2\sin a\)
  • B.\(\cos^2 a - \sin^2 a\)
  • C.\(2\sin a \cos a\)
  • D.\(\tan^2 a\)

Answer: C

This is the standard double-angle identity for sine.

\(\sin(2A) = 2\sin A \cos A\).

No comment is present. Be the first to comment.
Loading…

Post your comment