Show that tan(x) – 1 2. Let y = sec(x) 1 + tan(x) y' sec(x) 3. Find all x-values where the graph of f(x) = x – 2 cos(x)has a horizontal tangent line.
Find the Wronskian of the given functions and determine if the functions are independent or linearly dependant linearly y1yx+3 y =2x-5
antiderivative (tan^6 x sec^3 x )
Sec taner alx
Sec taner alx
1. Compute the Wronskian for the following functions. Then use the Wronskian to determine whether the functions are linearly independant or linearly dependant. a) {(tan2x - sec2 x),3 (b) le,e,e) 2. Use variation of parameters to find a general solution to 2y" -4ry 6y3 1 given that y 2 and y2- 3 are linearly independant solutions of the associated homogeneous equation. (Hint: be careful the equations are in the right form.) Find a particular solution for each of the following...
3. (6 points each) Differentiate the following functions. Do not simplify your answer. a. f(x) = 2*+1 In (x+1) b. p(x) = [arctan (x)]3 c. Q(x) = ex-sec(x)
verify algebraically
cos(-x) -= sec x + tan x 1+ sin(-x) tan x + cotx=sec X CSC X
Rewrite the expression sec(2) + csc() 1+tan(x) in terms of sin(x). sec(x) + csc(x) 1+tan () Preview Submit Lice Question 4. Points possible: 1 Unlimited attempts. Message instructor about this question
please show all steps &
work, thanks!
T/4 3. Evaluate the integral 6.** (sec x(sec x – tan x)) dx
Heteroskedasticity is a problem with the a. dependant variables b. independent vriables c. the error term d. the choice of variables and what has been ommitted Does ommitting a variable in our regression always cause OMMITTED VARIABLE BIAS a. Yes b. “Yes, if the R^2 is low" c. No d. “Yes, if the R^2 is high" Imperfect multicolinearity a. affects the standard...
1) For each of the following functions, determine: the period the amplitude, if any one pair of successive vertical asymptotes (if there are any at all) the phase (horizontal) shift, saying by how many units and whether to the right or to the left 3 cos 4x a) b) cot (x-) c) sec (x+ 1) d) 1+3 tan mx
1) For each of the following functions, determine: the period the amplitude, if any one pair of successive vertical asymptotes (if...