Prove the identity.ln |sec x| = -ln |cos x|
What will be an ideal response?
ln | sec x | = ln |(cos x)-1| = - ln | cos x|.
You might also like to view...
Solve the problem.72 parakeets out of a total of 144 parakeets were treated for an illness. What percent of the parakeets were treated for the illness? Round to the nearest whole percent.
A. 36% B. 1440% C. 14% D. 50%
Use an identity to find the value of the expression. Do not use a calculator.sin2 70° + cos2 70°
A. 0.70 B. 0 C. 0.49 D. 1
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -1.5, 2.5, 3.5 B. -1.5, 3.5 C. -3.5, -2.5, 1.5 D. -3.5, 1.5
Assume that the demand function for a certain commodity has the form
?
?
where x is the quantity demanded, measured in units of a thousand, and p is the unit price in dollars. Suppose the quantity demanded is 4,000 (x = 4) when the unit price is $7.00 and 7,000 (x = 7) when the unit price is $4.00. Determine the demand equation.
?
A. ?
B. 
C. 
D. 
E. 