Use identities to find the indicated value for each angle measure.sin ? = 
, tan ? < 0
Find sin(2?).
A. 
B. 
C. 
D. - 
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
- 
+ 
+ C
B. ln 
- 
+ 
+ C
C. ln 
+ 
+ C
D. ln 
- 
+ C
Mathematics
Provide an appropriate response.
Each shelf in a floor-to-ceiling bookshelf needs a strip of molding 
inches cut from a length of molding measuring 
inches long. If the length of the shelf includes the saw cut, how many shelves are in this bookshelf?
A. 7 B. 6 C. 8 D. 9
Mathematics
Divide and simplify.
A. 
+ 
B. - 
- 
C. - 
- 
D. 
+ 
Mathematics
State whether the triangles are congruent. If the information given is not sufficient, state "No conclusion possible".
?
23 in23 in
A. Not congruent B. Congruent C. No conclusion possible
Mathematics