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
9(3b-2) Iv factorised it but I dont know the rest sorry
Answer:
−6294≠Infinity
Step-by-step explanation:
−6294≠Infinity
-0.65
-3/8
2/4
5/16
I hope this is right, the negatives should go first because you are taking away, then positives
The answer to number one is C
and the answer to number two is A
