csaditya22Shiva csaditya22Shiva
  • 26-05-2017
  • Mathematics
contestada

Why sin c is written as 2sinc/2cosc/2

Respuesta :

WojtekR
WojtekR WojtekR
  • 26-05-2017
From double-angle formula we know that:

[tex]\sin(2\theta)=2\sin\theta\cos\theta[/tex]

so (for θ = c/2):

[tex]\sin c=\sin(2\cdot\frac{c}{2})=2\sin(\frac{c}{2})\cos(\frac{c}{2})[/tex]
Answer Link

Otras preguntas

I NEED THIS TRANSLATED INTO ITALIAN I believe that global warming is the cause of corporate greed. If ordinary people like you and me were to have 0 carbon emis
Mr. Morris deposits $3,000 into a savings account that compounds annually by 16%. If 2 years pass, how much money does Mr. Morris have in his savings account?
An examples of specific performance​
He did not put his feet Down. Transitive or intransitive verb
GUYS I MIGHT FAIL THIS YEAR SOMEONE PLSSS GIVE ME MOTIVATION TO DO MY ASSIGNMENTS
This part of Italy cooks with a lot of butter.
Which of the following expressions is equivalent to 4(m – 16)?
Which statement describes a space-filling model of a molecule? A.The radii of the atoms are represented by the symbol of the atom surrounded by dots in the spac
Can someone write me an un-copied paragraph explaining GDP I couldn't find an economics section so I clicked social studies
Which of the following will help prevent getting cramps during exercise? A. Avoid eating a large meal immediately before you exercise B. Stay Hydrated C. Bot