Solve the equation for all values 0 ? x ? 2?.
cos 2x = 1
A. x = 0, 
, ?, 
B. x = 
, 
, 
, 
C. x = 
, 
, 
, 
D. No solution
Answer: C
Mathematics
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Rewrite the expression in terms of exponentials and simplify the results.ln 
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A. ln (e2x - e-9x) B. 11x C. -7 D. -7x
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Solve the problem.Given sin A = 
, determine cos A and tan A exactly.
A. cos A = 
and tan A = 
B. cos A = 
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C. cos A = 
and tan A = 
D. cos A = 
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A. 3
B. 
C. 4
D. 5
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