Questions Answered

lebronjames:
Group Title
Find the vertex, focus, directrix, and focal width of the parabola.
x = 4y2
 updated one year ago
 14 replies
 1 Medal

lebronjames:
Group Title
2) 1^2 + 4^2 + 7^2 + ... + (3n  2)^2 = n(6n^23n1)/2
…
 updated one year ago
 4 replies
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lebronjames:
Group Title
Find all solutions in the interval [0, 2π).
sin^2x + sin x = 0
 updated one year ago
 20 replies
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lebronjames:
Group Title
Find all solutions to the equation.
cos x = sin x
 updated one year ago
 3 replies
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lebronjames:
Group Title
Rewrite with only sin x and cos x.
cos 2x + sin x
 updated one year ago
 16 replies
 2 Medals

lebronjames:
Group Title
Find all solutions to the equation.
7 sin^2x  14 sin x + 2 = 5
 updated one year ago
 16 replies
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lebronjames:
Group Title
Find all solutions to the equation.
sin2x + sin x = 0
 updated one year ago
 10 replies
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lebronjames:
Group Title
Use basic identities to simplify the expression cos^2x + sin^2x/cot^2x  csc^2x
 updated 2 years ago
 8 replies
 1 Medal

lebronjames:
Group Title
Identify the maximum and minimum values of the function y = 3 cos x in the interval [2π, 2π
 updated 2 years ago
 4 replies
 1 Medal

lebronjames:
Group Title
Find the point on the terminal side of θ = that has a y coordinate of 1.
…
 updated 2 years ago
 9 replies
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sfregozo:
Group Title
Given: 5(x+3)+9=59
Prove: x = 7
A. Reflexive Property
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 updated 2 years ago
 2 replies
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lebronjames:
Group Title
Evaluate sin 60° without using a calculator by using ratios in a reference triangle.
 updated 2 years ago
 4 replies
 2 Medals