The half angle formula is:
sin x/2 = +/- √ (( 1-cos x ) / 2 )
5π/12 = 5π/6 : 2
sin 5π/12 = +/- √(( 1 - cos ( 5π/6)) / 2 )
cos 5π/6 = cos 150° = -√3/2
≈ 0.966 ( this is sin 5π/12 )
Answer:
6x^2 im pretty sure thats whats its asking for
Step-by-step explanation:
Answer: 7.615
Step-by-step explanation:
Step-by-step explanation:
Use the method of TOA CAH SOH.


Perimeter of triangle = Sum of all sides =
