Friday

December 26, 2014

December 26, 2014

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

- Maths trig -
**Steve**, Sunday, April 29, 2012 at 10:50amsin2t = 2 sint cost

sin3t = sint cos2t + cost sin2t

(cos2t = 1 - 2sin^2 t)

- Maths trig -
**Stephan pultree**, Sunday, April 29, 2012 at 12:27pmThanks :)

- Maths trig -
**Stephan pultree**, Sunday, April 29, 2012 at 12:29pmWhats the workings out to get to these answers ? Jw ta

**Answer this Question**

**Related Questions**

physics - Which one of the following statements about standing waves on a string...

science - A stretched string has a third harmonic frequency of 600 Hz. What is ...

science - A stretched string has a third harmonic frequency of 600 Hz. What is ...

math - pls. explain how to get this: A number x is the harmonic mean of two ...

Harmonic Oscillation - The velocity of a certain simple harmonic oscillator is ...

physics - How does a wavelength of the fourth harmonic on a rope with both ends ...

physics - Which one of these statements regarding standing waves on a string is ...

physics - An organ pipe is open at both ends. It is producing sound at its sixth...

Physics - URGENT - The seventh harmonic of a one end closed pipe organ has a ...

trig - 8. Write the equation for simple harmonic motion given that the amplitude...