Answer:
Step-by-step explanation:
I dont know if its right but I think you have to subtract 30% from seven since the equation is not being specific and I came up with 4.9 but dont quote me on it im just giving a educational guess
Answer:
x
12
[12,∞]
Step-by-step explanation:
8x-6 i believe because if you put the 12x and the -4x together you get 20x and if you put -2 and 8 together you get six
So We Know That tan(x) Equals

We Can Use Logic, We Know That Anything That Makes The Denominator 0, Will Not Work, So We Need To Know What Makes Sin(x) equal to 0 and Cos(x) equal to 1 or -1 BUT NOT 0


We Didn't Want Cosine To equal Zero Because Then We Get

THE ANSWER IS C : -360°,-180°,0°,180°,360°