I am doing sum and difference formulas with sin, cos, and tan. I am doing tan75 with the difference formula. So tan 120-45 I have all the things found I just don't know...

I am doing sum and difference formulas with sin, cos, and tan. I am doing tan75 with the difference formula. So tan 120-45 I have all the things found I just don't know...

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x)=9/2x at (1,9/2) m=_______ y=_...

Let f(x) = x3 − 4x2. Find the point(s) on the graph of f where the tangent line is horizontal. (x, y) =____________ (smaller x-value) (x, y) =____________ (larger x-value)...

Find the point(s) on the graph of f where the tangent line is horizontal. (If an answer does not exist, enter DNE.) f(x) = (x)/ (x^2 + 4)

I need help. I don't know how should i work it? Can any one help me pls?? Thank you I need to show the working pls.

Find the slope and an equation of the tangent line to the graph of the function f at the specified point. f(x) = √x + (1/√x); (25,26/5) slope= equation y =

I need help pls! Thank you

Hi! I have a quick question. I know how to solve it for sin and cos, but I'm having trouble with tan. I know that it would be y over x and you have to solve, but I don't know how. Any tips or help...

exact answer i believe

Let h=90 (hypotenuse side) and ℓ=22(opposite side from tan(θ). Find tan(θ) in the triangle below and leave your answer in exact form. does not provide adjacent side of triangle and is a...

Find the points of tangency given f(x) = 15/2/x is tangent to x2/25 + y2/9 = 1

Hello I am a little bit confused about how to solve this, tangent to y = x + 2^x at (0,1) I am familiar with the equation m= [f(x+h)- f(x)] /...

find equation of tangent line and normal line given x2/25 + y2/9 = 1 with coordinates (5sqrt(2)/2, 3sqrt(2)/2)

Find the exact Value of c on f(x) = c/x so that f(x) is tangent to x2/25 + y2/9 = 1

Light passing through a double slit with separation d=3.33*10^-5 created its first minimum (m=1) at an angle of .551 deg. What is the wavelength of the light in nanometers? I thought...

csc t = 3 and the terminal point of t is in Quadrant II.

(1) A tower has an observation deck about 330 m above ground level. About how far is it from the observation deck to the horizon knowing that the Earth's radius is 6400 km? (2) What...

I'm having trouble solving the above question, as well as the one below tan20+tan10/1-tan20tan10=

The diagonals of a rhombus bisect each other and cross at right angles.

Suppose you want to approximate the function f(x)=(x−2)2+4f(x)=(x−2)2+4 at x=3x=3. Given a line with slope mm through the point (a,b)(a,b), what is the point-slope form of the line?