Simplify the trigonometric expression by following the indicated direction.Multiply 
by 
Fill in the blank(s) with the appropriate word(s).
(1 + cos ?/sin ?)
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Factor completely.5x7 + 70x6 + 225x5
A. x5(5x + 25)(x + 9) B. 5x5(x2 + 14x + 45) C. 5x5(x + 5)(x + 9) D. x5(x + 5)(5x + 45)
Write the equation of the ellipse with 
, center at 
, and that passes through 
varid="variable_id_field" variablename="impvar_0110c8c0738144c3917fc45d1" /> and 
. Express the equation in standard form.
What will be an ideal response?
Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
3
-2
A. 
B. 25r5
C. 25r
D. 5r
Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation 
Note that a maximum r-value occurs at a point that is the maximum distance from the pole.
A. 
, 
, 
B. 
, ?, 
C. 
, 
, 
, 
, 
, 
D. 
, 
, 