Can someone answer me this question?

Can someone answer me this question?

Hello, I am having trouble with the following problem: If A and B are both acute angles and sin(A)=6/13 and cos(B)=48/49 find the value of cos9-A)-sin(-B). Write the answer as a simplified...

lim x→3 (x3 − 13x2 + 51x − 63) / (x3 − 4x2 − 3x + 18) = a / 5 Find the value of a. (It is supposue to be -4. Why?)

Im stuck in this problem form my calculus hw

Find the horizontal asymptote of f(x) = 2^-x+3. Help!?

Use newtons method to find the second and third approximation of a root of cos(x^2+5)=x^3 Starting with x1=1 as the initial approximation The second...

Find the slope of the tangent to y = 3x^2-6x at x =2 by first determining the derivative of the function from first principles.

Dianna wants to enclose a rectangular flower plot that adjoins a brick retaining wall. If she has only 30 m of decorative fencing, what should be the dimensions of the flower plot be so that she a...

You want to produce a cylindrical water container with a capacity of 350mL. What dimensions will minimize the amount of material required for the container?

The height h of an equilateral triangle is increasing at a rate of 3cm/min. How fast is the area changing when h is 5 cm?

Find the absolute maximum and minimum values of the function on each of the indicated intervals. f(x)=x^4-6x^2-1 a) Interval [-3,-1] Absolute maximum:_______ Absolute...

what combinations of vertical, horizontal, and oblique asymptotes are not possible for a rational function?

The function 2x2=12x+y-22 has a critical point where x = ____ and y = ____ Help!?

If 15 ≤ f(x) ≤ 19, then 8 ____________≤ ∫ f(x)dx ≤__________ ...

Use a linear approximation to estimate the number sqrt(9.05)

Find the domain of y = sqrt 3x-5. Express your answer in interval notation. Help!?

Use the second derivative test to find the maximum and minimum points of f(x) = 2x3+15x2-36x. Help!?

Use the first and second derivatives of the function y = x3-3x2-9x+15 to find the intervals of increase and decrease. Help!?

Use the first and second derivatives of the function y = x3-3x2-9x+15 to find the intervals of increase and decrease. Help!?

a) At witch interval is the function f is increasing? b) Estimate to two decimal places the location of a point x > 0 where f has a point of inflection.