Answer: oh gosh, rlly bad at math... let me do the maths quick, and will edit my answer to the correct answer i dont have enough time, -7a+11
Step-by-step explanation:
Answer:
B, C, and D
Step-by-step explanation:
They have an either a less than sign ( < ) or a greater than sign ( > ).
I think y=0 because 6 multiple by 0 is 0 then x= 6 hope this helps might want to check my work to
Answer: 60°
Step-by-step explanation: A straight angle is 180°
180°- 120° = 60°
Step-by-step explanation:
We know that tan=sin/cos, so tan(x+π/2)=

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),
so our equation is then
Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then
