Answer:
If you've learnt sin(A+B) = sinAcosB + cosAsinB,
sin(4u)
= sin(2u+2u)
= sin(2u)cos(2u) + cos(2u)sin(2u)
= 2 sin(2u) cos(2u).
Answer:
3x - 2
Step-by-step explanation:
f(x) + g(x)
sub in functions
2x + 1 + x - 3
combine
3x -2
Answer:
1. 2x + 5
2. 35 students walked
3. 1:18
Step-by-step explanation:
The answer would be 32/5 or 6 2/5 or 6.4
Hope this helps
Have a great day/night
Answer:
you go to sleep at night is the correct answer