<span>y = -5 cos x is a basic (simple) variation of the basic trig function y = cos x.
The given </span>y = -5 cos x could be re-written as <span>y = -5 cos 1x.
Compare this to the most general form: y = a cos bx.
Here we see that the coefficient b equals 1.
There is a rule for finding the period of such a function: Period = 2pi/b.
Since b = 1 here, the Period here is 2pi/1, or simply 2pi.
Please stop saying "I'm terrible with math." That does not help you at all. Say, instead, "With just a little help I could understand this just fine."</span>
Answer:
No photo?
Step-by-step explanation:
Answer:
25 pounds will cost 14.75
Step-by-step explanation:
To convert from a percentage to a decimal, move the decimal twice to the left
11% = 0.11
200% = 2.00
20.07% = 0.2007
198.4% = 1.984
Hope this helps!
Factorise to get (x - 0.5)^3 = 0
The equation has root 1/2 with multiplicity 3.
