Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
sec-1 (-x) = cos-1(-1/x) = ? - cos-1 (1/x) = ? - sec-1 x
Mathematics
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Find the length and direction (when defined) of u × v.u = 4i + 3j - 4k, v = -8i - 6j + 8k
A. 
; 
(-4i - 3j + 4k)
B. 
; 
(-4i - 3j + 4k)
C. 0; -4i- 3j + 4k
D. 0; no direction
Mathematics
Express in terms of sums and differences of logarithms.logb
A. 
logbx4 - logby5 - logbz2
B. 
logbx - 
logby + 
logbz
C. 4logbx - 5logby - 2logbz
D. 
logbx - 
logby - 
logbz
Mathematics
Decide if the number is rational or irrational.1.28252927...
A. Irrational B. Rational
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. x2 + 2x + 1 + y2 - 16y + 64 = 64
A. (h, k) = (1, -8); r = 64 B. (h, k) = (-1, 8); r = 8 C. (h, k) = (-8, 1); r = 64 D. (h, k) = (8, -1); r = 8
Mathematics