Thursday
March 23, 2017

Post a New Question

Posted by on Sunday, April 29, 2012 at 2:06am.

Use compound angle formulae to express Second harmonic i2= sin2t and the the third harmonic i3=sin3t in terms of the first harmonic sint

  • Maths trig - , Sunday, April 29, 2012 at 10:50am

    sin2t = 2 sint cost

    sin3t = sint cos2t + cost sin2t
    (cos2t = 1 - 2sin^2 t)

  • Maths trig - , Sunday, April 29, 2012 at 12:27pm

    Thanks :)

  • Maths trig - , Sunday, April 29, 2012 at 12:29pm

    Whats the workings out to get to these answers ? Jw ta

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question