2,218 Answered Questions for the topic Pre Calculus

Pre Calculus

03/23/17

What is the value of tan(arcsin square root 2 /2)
tan(arcsin √2/2)
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Pre Calculus

03/23/17

Given cos theta =-3/5 and 180 < theta< 270 find sin theta
Cos theta=-3/5 and 180≤ Theta ≤ 270
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03/21/17

Solve a rational function, find intercepts , domain , and asymptotes of 2(x-2)(x+1)/(x-3)(x+5)
Need this to graph please have no idea , need all intercepts, asymptotes and domain
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Pre Calculus

03/18/17

Precalc: Identities
Prove the following:sinx(tan^2x+1)=tanxsecx
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Pre Calculus Calculus Trigonometry

03/16/17

Find the partial fraction decomposition of the rational expression with prime quadratic factors in the denominator 5x^4-7x^3-12x^2+6x+21/(x-3)(x^2-2)^2
Find the partial fraction decomposition of the rational expression with prime quadratic factors in the denominator 5x^4-7x^3-12x^2+6x+21/(x-3)(x^2-2)^2
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03/07/17

f(x)=10^x and g(x)=-4(10^x)
what is the domain and range and the y-intercept?  
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Pre Calculus College Algebra

03/05/17

Find a polynomial of least degree with only real coefficients and having the given zeros.
1-square root of 3, 1+square root of 3, and 1+i.
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Pre Calculus Theta

02/28/17

Find an angle ø with 0<ø<360 or 0<ø<2pi that has the same sine value as 3pi/8
I want to know how to solve this in radians 
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Pre Calculus

02/27/17

A vector starts at (9, 11) and terminates at (6, -10).
A vector starts at (9, 11) and terminates at (6, -10). What is the magnitude of this vector?Round to 2 decimal places
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Pre Calculus

02/25/17

Pre calculus
Find the standard form of the equation of the ellipse satisfying the given conditions.Foci: (0, -2), (0, 2); y-intercepts: -3 and 3
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Pre Calculus

02/25/17

Pre calculus
Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis horizontal with length 12; length of minor axis = 6; center (0, 0)
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Pre Calculus

02/25/17

Pre calculus
Find the standard form of the equation of the ellipse satisfying the given conditions.Endpoints of major axis:(-2, -1) and (-2, 7) ; endpoints of minor axis:(-4,3) and (0,3).
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Pre Calculus

02/25/17

Pre calculus
1. Find the standard form of the equation of the ellipse satisfying the given conditions.Endpoints of major axis: (10, -3) and (-2, -3); endpoints of minor axis: (4, -1) and (4, -5)
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Pre Calculus

02/18/17

Finding the value of x
A soccer ball is kicked with some initial velocity v at some angle θ such that its path in the air follows the equationy=1.0+1.73x-1.225x^2where (x,y) is the coordinate of the ball along its path... more
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Pre Calculus

02/15/17

Help Please
The cost of manufacturing a semi-circular window is the cost of the glass pane together with the cost of the framing material. When ordering this window, a customer specifies the length of the base... more
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Pre Calculus

02/12/17

Solve this equation by factoring square root 6 x^2-x-square root 6=0
I am struggling with this question 
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Pre Calculus

02/09/17

Determine the quadrant when the terminal side of the angle lies according to the following conditions: sin (t) > 0, sec (t) > 0.
Determine the quadrant when the terminal side of the angle lies according to the following conditions: sin (t) > 0, sec (t) > 0.
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Pre Calculus

02/07/17

Pre Calculus help
if cos x = 5/8 and sin x < 0, find the values of the other five elementary trigonometric at x. Draw a sketch with an appropriate reference triangle. sin x = tan x =sec x = csc x =cot x =
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Pre Calculus

02/05/17

How could the graph of u=2x^3+1 be used to graph y=-2x^3+1
Describe the graph 
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Pre Calculus

01/20/17

Please Help!!!
Find the points P1(x1, y1), P2(x2, y2), and P3(x3, y3) on the line segment joining A(6, 8) and B(9, 3) that divide the line segment into four equal parts. (The points on the line are ordered A, P1,... more
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Pre Calculus

01/10/17

What are coordinates of the vertex of the quadratic function y=-3(x-4)^2 +1
Help please
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Pre Calculus

01/10/17

1st 3 terms in sequence are 9,13,17... What is the expression for tn in terms of n, what is the 20th term t20 for sequence.
Help please
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Pre Calculus

01/08/17

How many people are in the group
A group of people would like to buy a vacation cabin for $600,000, sharing the cost equally. If they could find five more people to join them, each person's share would be reduced by $6,000. How... more
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01/04/17

The point (-3, 3) lies on the terminal side of an angle in standard position. Find the value of theta in degrees.
Anybody know how to solve it and what's the answer?
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Pre Calculus

12/21/16

y=3 tan x/4
I neend help finding the asystoptote and solving the problem  I have pre calculus
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