E) you would divide each and everything by 3 to get rid of 3 itself. It should be easier for you to solve from there then
Answer:
Step-by-step explanation:
sec (-x)-sin (-x) tan (-x)=cos x
sec(x)-(-sin x)(-tan x)=cos x
1/cos x-sin x(sin x/cos x)=cos x
multiply by cos x
1-sin ²x=cos²x
or 1=sin²x+cos²x
which is true.
2, add 10
12 = n / 4
multiply both sides by 4
48 = n
the number is n
Check:
(48/4) - 10 = 2
12 - 10 = 2
2 = 2
:P HOPE THIS HELPS
Answer:
x = 5 (given)
y = 3 (given)
3x^2 + y
3×5^2 + 3
78
If I messed up with the z. You said z is 5
Then the answer will be 75+ y
