Answer:
-2/3
Step-by-step explanation:
4+3x=2
3x=2-4
3x=-2
X= - 2/3
Answer:
The answer would be -2 you may look at my work to see how I solved it
Answer:
37.7
Step-by-step explanation:
One decimal point is one digit after the decimal point. Here, we round up because the digit after the one we're looking for is greater than 4
Answer: x > 4
.........................
Answer:
x=30o+n90on∈Z
Step-by-step explanation:
cos2x=sin(90o−2x)=sin(2x−30o)
Which mean 90o−2x=2x−30o+n360o
or 90o−2x+2x−30o=(2n+1)180o
The later cannot be true.
so x=30o+n90on∈Z