Simplify the expression.
A.
B. 0
C.
D.
Answer: D
Mathematics
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Solve. =
A.
B. -
C. ?
D.
Mathematics
Solve.?x? = 6
A. -6 B. -6, 6 C. 6 D. 36
Mathematics
Prove the identity.cot x sec4 x = cot x + 2 tan x + tan3 x
What will be an ideal response?
Mathematics
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.x = 21 - x
A. ln - ln 2 ? -0.560
B. ? 0.838
C. ? 1.051
D. ? 1.193
Mathematics