Does x equal 4 ?if it does then a) -100
b) 25
Answer:
Step-by-step explanation:
sdrgdgdtdt
Using cos addition formula:
use x for theta
cos(x+π/6)=cosx*cos(π/6)-sinx*sin(π/6)
sinx=1/4
cosx=√15/4
cos(π/6)=√3/2
sin(π/6)=1/2
cos(x+π/6)=(√15/4*√3/2)-(1/4*1/2)
cos(x+π/6)=(√45/8)-(1/8 )
cos(x+π/6)=(√45-1)/8)
Answer:
No, it is not.
Step-by-step explanation:
The decimal value of 12/4 is 3
The decimal value of 3/12 is 0.25
Here, both numbers are divisible by 7 so that brings you to 9:4
