Answer:
f(x)= - l x - (-4) l + 0
Step-by-step explanation:
15x+40=115
15x+40-40=115-40
15x=75
15/15 x=75/15
x= 5
The range for the data given is 11
Consider a<span> right triangle with </span><span>hypotenuse of 1.
sin x means to divide the side in front of the angle by </span>hypotenuse<span>
cos x means to divide the side beside the angle by hypotenuse
we know that a^2+b^2=c^2 now divide two sides by c^2

c is 1 also a/c means sinx and b/c is cos x so
sin^2(x)+cos^2(x)=1
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