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How do I solve #(cot(x)+tan(x)) / (csc(x))#?

Use a doubleangle or halfangle formula to simplify the given expressions:
1. If cos^2(39degrees)sin^2(39degrees) = cosA then what does A equal?
2. If cos^2(3x)sin^2(3x) = cosB, what does B equal?

If sin^4x = A + Bcos2x +Ccos4x, then what is A, B, and C equal to?

If x+2=4sinx for 0<x<(pi/2), express cos(2x) in terms of x. Cos(2x)=?

Reduce to one trig identity. sec(x)+sin(x)tan(x)=? I know it equals cos(x) but how?

How do you derive the trigonometric sum and difference formulas for sin, cos, and tan?
I.e: How do I derive something like sin(x+y)=sinxcosy+cosxsiny?

How do you derive the trigonometric formulas for double and half angels for sin, cos, and tan?
I.e: How do I derive something like sin(2x)=2(sinx)(cosx)?

How do I find the exact value of cos(2sin^1(12/13))?

How do I rewrite the following two trig expressions with exponents no greater than 1? Such as (A) (Sin^3)x (B) (cos^4)x?

How do I find all the solutions for cos(x)tan(x)=tan(x) on one interval rotation of the unit circle?

Solve the following equation in the interval [0, 2pi]. 2(sin(t))^2sin(t)1=0?

Let u = <3, 2>, v = <3, 0>, and w = <5, 2>. Find the vector x that satisfies 8uv+x=3x+w. In this case, vector x is?

How do you find the angle in radians between the vectors a = <sqrt(3), 1> and b = <0, 3>?

Consider the three points: A=(9, 8), B=(7, 10), C=(10, 6). What is the angle between AB and AC?

A triangle is defined by the three points: a=(7, 10), b=(9, 10), and c= (5, 6). How do I determine all three angles in the triangle (in radians)?

v = 4. w = 4. The angle between v and w is 2.1 radians.
Given this information, calculate 4v+2w and 1v3w?

How would I find the limits of the function below?

How do you find the limits of the function below?

How do I find the #lim_(x to 6) (5x)/(3+x^8)#?

Considering the reaction shown below, how much thermal energy would be required to run the reaction with 5.0 g of hydrogen and 25 g of iodine?

How do I simplify 7/(7+5i)?
(Hint: The irrational number i equals 1 when i^2.)

How do I identify the symmetry of the graph #(3x^2)+(3y^2)=5#?

How do I describe the end behavior without graphing of f(x)=12x^23x?

How do you factor x^3+9x^2+24x+16 if you know that x+4 is a factor?

How do I find the domain and (if any) discontinuities for #g(x)=(x^2+6x+9)/(x+3)#?
I don’t entirely understand what is being asked by domain and discontinuity.

How do I find the horizontal, vertical, and oblique asymptotes (If any exist) for f(x)=5x^3+49x^2+127x+75/(x^2+9x+18)?

How do I determine the end behavior of the graph, f(x)=(3x3)/(4x+5), in limit notation?

How do I expand In(m^2n^3)/(sqrt(p))?

What is the standard entropy of the reaction below at 25 degrees Celsius?
H2O(g) + C (graphite, s) > H2(g) + CO(g)

The elementary reaction 2H2O(l) <> 2H2(g) + O2 (g) has the partial pressures of H2O, H2, and O2 reach 0.0500 atm, 0.00200 atm, and 0.00450 atm respectively. What is the value of the equilibrium constant at this temperature?

How do I calculate Kp for C+CO2=2CO given the following reactions? C+2H2O=CO2+2H2 and H2+CO2=H2O+CO.

How do I calculate mass loss per mm^2 given length, diameter, initial and final mass values?

How do I find the horizontal limits of f(x)=(2x^311x^211x)/(59x6x^3)?

How do I find this in terms of constant A? lim as h> 0
7(a+h)^27a^2.

How do I find the equation of the tangent line to the curve at the given point, (2, 4)? y=4x3x^2.

How do I solve this? A generic salt, AB3, has a molar mass of 297 g/mol and a solubility of 7.30 g/L at 25 °C. What is the Ksp of this salt at 25 °C? AB3(s) <> A^(3+) + 3B^()

How do I find the molar solubility of this compound? The Ksp of cerium (III) iodate, Ce(IO3)3, is 1.40 × 1011.

Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12× 10^–12. What is the solubility (in mol/L) of silver chromate in 1.50 M potassium chromate aq solution? In 1.50 M silver nitrate aq solution? In pure water?

What concentration of #"SO"_3^(2–)# is in equilibrium with #"Ag"_2"SO"_3(s)# and #1.80 * 10^3# #"M"# #"Ag"^(+)# ? The #K_(sp)# of #"Ag"_2"SO"_3# is #1.50 * 10^–14#

How do I find f'(x) of f(t)=9/(t^3)?

How do I solve f'(x) for 3sqrt(t)+(11/sqrt(t))?

How do I solve f(x)=((5x^2)+(2x)+2)/(sqrt(x)) for f'(x)?

How do I find f'(x) for f(x)=7(x^(4/5))8(x^(6/7))?

How do I solve f'(x) for f(x)=7(x^2)+(2/(x^2))?

How do I find the equation of the tangent line to the curve y=2xcos(x) at the point (pi, 2pi)? The equation of this tangent line can be written in the form y=mx+b where m and b are?

If f(x)=5x(sinx)(cosx), then what does f'(x) equal?

How do you differentiate y=(2+sinx)/(x+cosx)?

If f(x)=(4x+5)/(5x+6), how do you find f'(x)?

How do I find an equation for the tangent line to the graph of #f(x)=(sqrt(x))/(4x8)# at the point #(3, f(3)#)?

How do I use logarithmic differentiation to determine the derivative for #f(x)=((x^5)((x7)^5))/(x^2+2)^8#?

If f(x)=(4x^2tan(x))/(sec(x), how do I find f'(x) and f'(3)?

How do I find the derivative of k(a)=sin^5acos^4a?

Consider the function 17x^2 on the interval [2, 7]. How do I find the average slope on this interval? Find the one point in which f'(c) is equal to the mean slope.

If #f(x)=(x+3)(x1)^2#, how do you find the local maxima and minima at #x# using the second derivative?