Find the value of sin 5 pi/12 cos pi/12 + cos 5pi/12 sin pi/12

@Ankush Garg- Good attempt so
sin 5 pi/12 cos pi/12 + cos 5pi/12 sin pi/12 = sin(pi/12 + 5pi/12)=sinpi/2 = 1
Regards

  • 3
Use identity sina cosb+ cosa sinb
You will get the solution
  • -1
What are you looking for?