Use the identity cos2 s + sin2 s = 1 to find the value of x or y, as appropriate.
, x > 0
A. 
B. 
C. 
D. 4
Answer: B
Mathematics
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Determine the symmetries of the curve.r = 16 cos 8?
A. y-axis only B. x-axis only C. No symmetry D. x-axis, y-axis, origin
Mathematics
Solve the problem.Find the area of the entire region bounded by the curves 
and 
A. 0
B. 1
C. 
- 
ln 9
D. 5 - 9 ln 9
Mathematics
Provide an appropriate response.When is the law of sines or the law of cosines required for finding the missing parts of a triangle?
What will be an ideal response?
Mathematics
Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 10
B. 5
C. 25
D. 35
Mathematics