Show that the following statement is true by transforming the left side into the right side.
?
What will be an ideal response?
We begin by writing everything on the left side in terms of sin ? and cos ?.
?
?
Since we have succeeded in transforming the left side into the right side, we have shown that the statement 
is an identity.
Mathematics
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Find the exact value of the expression using a sum or difference identity.cos 255°
A. 
(
- 1)
B. - 
C. - 
(
- 1)
D. 
Mathematics
Find an equation of an ellipse satisfying the given conditions.Vertices: (0, -10) and (0, 10); length of minor axis: 6
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 10
Mathematics
Find the inverse of the one-to-one function.f(x) = (x - 5)3
A. f-1(x) = 
- 5
B. f-1(x) = 
+ 5
C. f-1(x) = 
+ 125
D. f-1(x) = 
+ 5
Mathematics
Simplify. Do not leave negative exponents in your answer.(4p2s)3
A. 64p6s3 B. 4p5s3 C. 64p5s3 D. 4p6s3
Mathematics