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Questions Asked

itsonlycdeee:
Group Title
I'm not sure if the definite integral of these two parts is 0+0=0 or 1/4 + 1/4 = 0.
Question below:
 updated 5 months ago
 28 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
Find the derivative:
x=1, f(1)=2, f'(1)=1, g(1)=2, g'(1)=3. Find h'(1):
h(x)= xf(x)…
 updated 6 months ago
 12 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
Find the derivative of: f(x)=[ x^(1/2)+1]/[x^2 + 1]
 updated 6 months ago
 16 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
Find the derivative of: f(x)=[ x^(1/2)+1]/[x^2 + 1]
 updated 6 months ago
 8 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
As concrete dries, it shrinks—the higher the water content, the greater the shrinkage. If a concrete beam has a water content of w kg/m3, th…
 updated 10 months ago
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Mathematics

itsonlycdeee:
Group Title
As concrete dries, it shrinks—the higher the water content, the greater the shrinkage. If a concrete beam has a water content of w kg/m3, th…
 updated 10 months ago
 3 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
An 5.0pound weight is lying on a situp bench at the gym. If the bench is inclined at an angle of 15°, there are three forces acting on the …
 updated one year ago
 15 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
0
 updated one year ago
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
A traffic light weighing 17 pounds is suspended by two wires as shown in the figure below. Find the magnitude T1 of the tension in wire AC…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
A crew member on a fishing boat traveling due north off the coast of California observes that the bearing of Morro Rock from the boat is N 3…
 updated one year ago
 8 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
A crew member on a fishing boat traveling due north off the coast of California observes that the bearing of Morro Rock from the boat is N 3…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The area of a triangle is 85 square inches. Find the length of the side included between A = 40° and C = 95°
 updated one year ago
 24 replies
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Mathematics

itsonlycdeee:
Group Title
The area of a triangle is 50 square centimeters. Find the length of the side included between the angles A = 30° and B = 65°.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The circle in the figure has a radius of r and center at C. The distance from A to B is x, the distance from A to D is y, and the length of …
 updated one year ago
 28 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
find all radian solutions in the interval 0 ≤ x < 2π for the following equation.
sec x + 2 = cot x
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The equation below gives the height h of a passenger on a Ferris wheel at any time t during the ride to be
h = 137 − 122 cos (π/10)t
where…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Find all degree solutions in the interval 0° ≤ θ < 360°. If rounding is necessary, round to the nearest tenth of a degree. Use your graphing…
 updated one year ago
 19 replies
 3 Medals
Mathematics

itsonlycdeee:
Group Title
Prove sec^2(A/2) = 2secA/secA + 1
 updated one year ago
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Rewrite using Double Angle Formulas [cos(2A)=cos^2Asin^2A=12sin^2A=2cos^2A1] & Power Reduction Formulas: [cos^2x=(1+cos(2x)/2)] to form a…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Prove that the following identity is true:
sec^4 theta  tan^4 theta = 1 + sin^2 theta / cos^2 theta
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Prove that the following identity is true.
sin^4t − cos^4t /sin^2t cos^2t = sec^2 t − csc^2 t
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
A ship is 1.6° off course. If the ship is traveling at 26.0 miles per hour, how far off course will it be after 2 hours?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
To estimate the height of a tree, one person stands due north of the tree and a second person stands due east of the tree. If the two people…
 updated one year ago
 31 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
A satellite is circling a = 110 miles above a planet, as shown in the figure. When the satellite is directly above point B, angle A is found…
 updated one year ago
 13 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
In the figure, a person standing at point A notices that the angle of elevation to the top of the antenna is 46° 30'. A second person standi…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
SEE ATTACHMENT: From a point on the floor the angle of elevation to the top of a door is 50°, while the angle of elevation to the ceiling ab…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Make a diagram of the unit circle with an angle θ in QI and its supplement 180° − θ in QII. Label the point on the terminal side of θ and th…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Prove the identity.
sec θ − cos(−θ) = sin^2θ/cosθ
…
 updated one year ago
 8 replies
 3 Medals
Mathematics

itsonlycdeee:
Group Title
Which trigonometric functions do not have real zeros?
sine, cosine, tangent, cosecant, secant, or cotangent.
 updated one year ago
 8 replies
 No Medals Yet
Mathematics