Establish the identity.cot2x = (csc x - 1)(csc x + 1)
What will be an ideal response?
cot2 x = csc2 x - 1 = (csc x - 1)(csc x + 1).
Mathematics
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Evaluate the integral.
A. 6i + 6j - 3k
B. 6i - 6j + 3k
C. 3i - 3j - 
k
D. 3i + 3j - 
k
Mathematics
Write the quotient in standard form.
A. 
+ 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Find the indicated quantity for an infinite geometric series.r = 
, S = 
, a1 = ?
A. 8
B. 7 + 
C. 7
D. 7
Mathematics
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = (1 + 0.153/n)n
A. L ? 1.1653, N = 2 B. L ? 1.153, N = 6 C. diverges D. L ? 1.1653, N = 6
Mathematics