Use the fundamental identities to simplify the expression.
A. csc2?
B. 1
C. cot2?
D. sec2?
Answer: C
Mathematics
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Solve the system by elimination.
A. 
B. 
C. 
D. 
Mathematics
Verify that the equation is an identity.csc(s + t) = 
What will be an ideal response?
Mathematics
Evaluate the exponential form.(-7)6
A. -823,543 B. 823,543 C. -117,649 D. 117,649
Mathematics
Perform the indicated operation and simplify.
? 
÷ 
A. 
B. 
C. 
D. 1
Mathematics