Answer:
cos x ≠ 0 ⇔ x ≠ ; k ∈ N
<=> cos²x + sin²x = 1
⇔ 1 = 1
=> x = { R \ (pi/2 + k.pi); k ∈ N}
Step-by-step explanation:
liz earns $400 for 40 hours of work.use a ratio table to determine how much she earns for 6 hours of work
1 answer:
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Answer: m = 7 or -2
Step-by-step explanation:
Quadratic Formula!
Polynomial Form:
So in this example a: 1 b: -5 c: -14
You get:
m = 7 or -2
Check by plugging a value back in for m
True for both.