Step-by-step explanation:
We can prove the statement is false by proof of contradiction:
We know that cos0° = 1 and cos90° = 0.
Let A = 0° and B = 90°.
Left-Hand Side:
cos(A + B) = cos(0° + 90°) = cos90° = 0.
Right-Hand Side:
cos(A) + cos(B) = cos(0°) + cos(90°)
= 1 + 0 = 1.
Since LHS =/= RHS, by proof of contradiction,
the statement is false.
y in the first equation because y is already by itself. All you have to do is move the -3x to the other side.
Answer:
I think it's around 9.8 or something
Step-by-step explanation:
sqrt(100) is 10
so the sqrt(95) should be around 9.8
That one looks very difficuly
