Prove the identity.tan5 x = tan x (sec4 x - 2 sec2 x + 1)
What will be an ideal response?
tan5 x = tan x (sec2 x - 1)2= tan x (sec4 x - 2 sec2 x + 1).
Mathematics
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Find the quotient.
A. 0.004767 B. 0.0004767 C. 476.7 D. 4767
Mathematics
X is Normal(2.7, 0.3).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable.
Mathematics
Translate each graph to an inequality using the variable x.
A. x < -4.7 B. x ? -4.7 C. x > -4.7 D. x ? -4.7
Mathematics
Find the dot product v ? w.v = -i - j,
w = i - j
A. -1 B. 0 C. -2 D. 1
Mathematics