Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the integral.
A. ln
+ C
B. ln
+ C
C. et ln
+ C
D. ln
+ C
Mathematics
Use the change-of-base formula to find the logarithm. Round your answer to four decimal places. log200 40
A. 0.6962 B. 5.2983 C. 1.4363 D. 3.6889
Mathematics
Perform the operation and simplify, or solve the equation for the variable.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. x7
B. 
C. x15
D. 
Mathematics