Multiply and simplify.(sin x - cos x)(sec x + csc x)
A. tan x - sin x
B. cos x - cot x
C. cot x + csc x
D. tan x - cot x
Answer: D
Mathematics
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Perform the division.
A. x2 - 5 B. x - 5 C. x + 25 D. x - 25
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Perform the indicated operation.(-7) ? (3) ? (-2)
A. -35 B. 42 C. -42 D. 35
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Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(6x3)-2
A. 36x6
B. 
C. 
D. 
Mathematics
Evaluate.Given that log x = 3 and log y = 5, find log 
.
A. 
B. 75
C. 48
D. 
Mathematics