A-Level Edexcel C3 January 2006 Q4b : ExamSolutions
9:15
Added: 2 months ago
From: ExamSolutions
Views: 3,467
Sort by time | Sort by thread (beta)

Link to this comment:

Share to:

All Comments (4)

Sign In or Sign Up now to post a comment!

  • I have a question regarding trigonometric identities which I am always confused about. If sin2A= 2sinA cosA, then does sinA= sinA/2 cosA/2?

    billyboo12345 1 month ago

  • @billyboo12345 No. sin A = 2 sin A/2 cos A/2

    ExamSolutions 1 month ago

  • this question gave me an headache thanks for explaining this.

    americium2010 1 month ago

  • @americium2010 Phew - didn't turn into a migrane then.

    ExamSolutions 1 month ago

Loading...
Alert icon
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more