Answer:
Number 1 should be 2
Step-by-step explanation:
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:
75%
Step-by-step explanation:

Answer:
The answer is D: only I and II
Step-by-step explanation:
I know for sure this is the correct answer. Hope this helped! Mark me Brainliest!
Answer:
<h2>

</h2>
Step-by-step explanation:

Write all the numerators above the least common denominator

Multiply the parentheses

Distribute 3x through the parentheses

Collect like terms
Hope this helps...
Good luck on your assignment...