Provide an appropriate response.Derive the identity: cos 
= sin x
What will be an ideal response?
cos 
= cos x cos 
- sin x sin
= (cos x)(0) - (sin x)(-1)
= sin x
Mathematics
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Solve the problem.Ellen is knitting a scarf with one 1
-inch blue stripe, one 
green stripe, and one 
white stripe. How wide is the scarf?
A. 
in.
B. 2
in.
C. 
in.
D. 8
in.
Mathematics
Find the average value of the function over the given interval.f(x) = 2x + 14 on [-7, 7]
A. 196 B. 7 C. 14 D. 28
Mathematics
Write an equation in slope-intercept form for the line shown.
A. y = 
x - 3
B. y = 6x + 3
C. y = 6x - 3
D. y = 
x + 3
Mathematics
Perform the division and write the answer without using negative exponents.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics