I think 4.47 is a a rational number
Hello :
sin(x) + cos(x) = √2(1/√2 sin(x) +1/√2 cos(x))
but : 1/√2 = cos(π/4) = sin(<span> π/4)
</span>sin(x) + cos(x) = √2( cos(π/4)sin(x) + sin( π/4) cos(x)) =√2<span>sin(x + π/4)
</span>because : cos(π/4)sin(x) + sin( π/4) cos(x)=sin(x + π/4) by identity :
sin(a+b) = sina cosb +cosa sinb
Answer:
Simplify above fraction
56
6
Common divisor of (56, 6) is 2
Divide both numerator & denominator by gcd value 2
56
6
=
56
÷
2
6
÷
2
=
28
3
8
3
×
7
2
=
28
3
Step-by-step explanation:
Answer: The car's maximum speed
have a nice day!!