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sin(θ − ϕ);tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root 10/10 ϕ in Quadrant IV I tried this numerous times
1. 7 answers
2. asked by Rachel
3. 7,034 views
sin(θ + ϕ);sin(θ) = 5/13 θ in Quadrant I, cos(ϕ) = − 2root 5 over 5 ϕ in Quadrant II please give final answer this is bc
1. 4 answers
2. asked by Andy
3. 5,681 views
You are standing at the peak of a mountain that is 14000 feet above sea level. The angle of depression from this peak to a
1. 5 answers
2. asked by Sarah
3. 1,904 views
evaluate the expression under the given conditions.cos(θ − ϕ); cos(θ) = 5/13, θ in Quadrant IV, tan(ϕ) = − square
1. 4 answers
2. asked by Ruth
3. 13,071 views
8sinxcosx=1I don't know where to go after 2sinxcosx=1/4
1. 5 answers
2. asked by Lily
3. 1,795 views
A water tower is located x = 375 ft from a building (see the figure). From a window in the building, an observer notes that the
1. 4 answers
2. asked by Beth
3. 10,091 views
A 20-ft ladder is leaning against a building. If the base of the ladder is 7 ft from the base of the building,what is the angle
1. 3 answers
2. asked by Ruth
3. 2,058 views
Thanks in advance for any help. I need help with this whole problem.The distance s(t) between an object and its starting point
1. 2 answers
2. asked by Peter
3. 494 views
How do you write a quadratic equation in standard form for a given set of zeros?
1. 4 answers
2. asked by Erica
3. 3,720 views
How do you test for symmetry in an equation? For example, y = x to the fifth power + x to the third power + x?
1. 3 answers
2. asked by Anonymous
3. 857 views
Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need
1. 1 answer
2. asked by alex
3. 472 views
If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element
1. 2 answers
2. asked by Dom
3. 964 views
Vector A has magnitude 23 units and direction, counterclockwise from east, of 5.8 degrees. What is the value of its x component
1. 3 answers
2. asked by Me
3. 442 views
Find the Domain of the function:f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15
1. 1 answer
2. asked by Katie S
3. 381 views
Find the domain of the function:F(x)= 2-x^2
1. 1 answer
2. asked by Laura
3. 298 views
.5ln(x+3) - lnx=0
1. 3 answers
2. asked by Laura grace
3. 687 views
Find solutions on interval 0,2pie(cosx/1+sinx) + (1+sinx/cosx) = -4
1. 4 answers
2. asked by Chets
3. 456 views
Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.67° 30' 7 sin(67°
1. 3 answers
2. asked by kyle
3. 1,771 views
A set of 500 values has a normal distribution. The mean of the data is 24 and the standard deviation is 2. Find the range about
1. 1 answer
2. asked by Brandon
3. 433 views
Please finish y+7=6/7x-30/7
1. 1 answer
2. asked by Joe
3. 239 views
Given the (x,y) coordinates of a point are (-1,-2) find 2 different (r, feta) coordinates?one with r > 0 and one with r< 0. a.
1. 1 answer
2. asked by Rebekah
3. 444 views
A parabola has its vertex on the graph of the line y=3x+1 and passes through (1,10). If it is the same size,?shape, and
1. 1 answer
2. asked by Rebekah
3. 461 views
Write the equation in standard ellipse form and graph.34 x^2 -24xy +41y^2 +41 y^2 -25= 0. i got x= (4 x prime- 3 y prime)/5 and
1. 3 answers
2. asked by Rebekah
3. 984 views
Write the equation in standard parabola form?x^2+ 4xy +4y^2 +5root5 y+ 5 = 0
1. 1 answer
2. asked by Rebekah
3. 433 views
Write the equation in standard parabola form?x^2+ 4xy +4y^2 +5root5 y+ 5 = 0 Thanks so much!
1. 1 answer
2. asked by Rebekah
3. 425 views
Alice throws a ball straight up with an initial speed of 40 feet per second from a height of 5 feet?a) Find parametric equations
1. 2 answers
2. asked by Rebekah
3. 1,099 views
y=5tan1/2(x+pi/4)What is the period?
1. 3 answers
2. asked by Deena
3. 338 views
A farmer with 2000 meters of fencing wants to enclose a rectangular field that borders a barn. If the farner does not fence the
1. 2 answers
2. asked by richelle
3. 835 views
(cos^4x -sin ^4 x)/(sin^2x)=cot^2x -1Prove true
1. 2 answers
2. asked by Anonymous
3. 553 views
A boat is going 30 mph with a direction of 100 degrees east of north. The water current is 15 mph with a direction of 22 mph.
1. 2 answers
2. asked by Will
3. 592 views
A boat is going 30 mph. It's direction is 100 degrees east of north. The water current is 15 mph and has a direction of 22
1. 1 answer
2. asked by Will
3. 423 views
Bo has $800 that he wants to turn into $1100 in 5 years. If interest is compounded daily, calculate the interest rate he would
1. 3 answers
2. asked by Mike
3. 327 views
Let sin u=-8/17 and cos v= 12/13, with pie<u<3pie/2. Find the exact value of cos(u+v)
1. 4 answers
2. asked by Lizzy
3. 3,578 views
Give an example of an exponential function that has a range (3,infinity)
1. 2 answers
2. asked by S
3. 825 views
A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a
1. 2 answers
2. asked by Ram
3. 535 views
estimate, correct to three decimal places all the zeros of the polynomial p(X) = x^4 - 4x^3 +5x -1
1. 1 answer
2. asked by SMITH
3. 330 views
A) Determine the location of the turning pints for the cubic y= x^3 - 3x^2 +2x+10
1. 1 answer
2. asked by Josh
3. 285 views
A local salesman receives a base salary of $575 monthly. If his total sales receipts for the month exceed $1800, he also
1. 3 answers
2. asked by Emily
3. 2,094 views
Find an equation of the line that has slope m and y-intercept b. (Let x be the independent variable and y be the dependent
1. 3 answers
2. asked by Terry
3. 1,149 views
Find an equation of the line that passes through the given points. (Let x be the independent variable and y be the dependent
1. 4 answers
2. asked by Terry
3. 542 views
Find the point of intersection of the pair of straight lines.2x + 4y = 19 −3x + 3y = 3
1. 1 answer
2. asked by Laura
3. 434 views
Evaluate the expression given that cosine a=4/5 with 0<a<pi/2 and sin b=-15/17 with 3pi/2< b<2pi
1. 2 answers
2. asked by Sarah
3. 461 views
The population of a Midwestern city decays exponentially. If the population decreased from 900,000 to 800,000 from 2003 to 2005,
1. 4 answers
2. asked by george
3. 2,269 views
The general function P(t)= 640ekt is used to model a dying bird population, where Po = 640 is the initial population and t is
1. 4 answers
2. asked by Madison
3. 1,718 views
A water tower is located x = 375 ft from a building (see the figure). From a window in the building, an observer notes that the
1. 3 answers
2. asked by Elizabeth
3. 1,031 views
sin(θ − ϕ); tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root10/10 ϕ in Quadrant IV.I used the sin equation
1. 4 answers
2. asked by Ruth
3. 1,287 views
sin(θ − ϕ); tan(θ) = 5/12, θ in Quadrant III, sin(ϕ) = − square root 10 over 10 ϕ in Quadrant IV Please help last one
1. 2 answers
2. asked by Andy
3. 1,178 views
Someone please help me prove theseA) cos^4x-sin^4x=cos2x B)tanx=sin^2x/1+cos^2x Please and Thank you
1. 1 answer
2. asked by Bethany
3. 379 views
Someone please help me prove theseA) cos^4x-sin^4x=cos2x B)tanx=sin^2x/1+cos^2x Please and Thank you
1. 2 answers
2. asked by Samantha
3. 459 views
Solve the given equationcos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you
1. 1 answer
2. asked by Samantha
3. 373 views
Given that tanθ = 2 root 10 over 9 and cscθ < 0 , find the exact value of cos(θ − pie over 4) .I solved for the other side
1. 5 answers
2. asked by Samantha
3. 680 views
An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places
1. 3 answers
2. asked by Samantha
3. 1,688 views
Find all primary solutions (i.e. 0 ≤ θ < 2π ) of the equation cos(2θ ) = 4 − 3 cos(θ ).Find all primary solutions (i.e.
1. 4 answers
2. asked by Samantha
3. 1,647 views
Find all primary solutions (i.e. 0 ≤ θ < 2π ) of the equation cos(2θ ) = 4 − 3 cos(θ ).Find all primary solutions (i.e.
1. 2 answers
2. asked by Samantha
3. 493 views
A cylinder shaped can needs to be constructed to hold 1000 cubic centimeters of soup. The material for the sidesof the can costs
1. 2 answers
2. asked by Lesley
3. 598 views
Form a polynomia f(x) with real coefficients having the given degree and zerosDegree: 5 ; Zeros: 2, -3i and 4-i
1. 1 answer
2. asked by Alexa
3. 413 views
Find an equation for the ellipse describedcenter (0,0); major axis horizontal with length 18; length of minor axis is 4
1. 2 answers
2. asked by Alexa
3. 714 views
Find an equation of the parabola described and state the two points that define the latus rectumFocus at (0,4) ; Directrix the
1. 2 answers
2. asked by Alexa
3. 676 views
Perform the indicated operation and simplify the result .Cot x(tan x- sec x) Please help , I am struggling a lot !! Thank you!!!
1. 3 answers
2. asked by Jacob
3. 1,621 views
Evaluate using the Pythagorean indentitiesFind sinθ and cosθ if tanθ =1/6 and sinθ >0 Help please ! Thank you !
1. 2 answers
2. asked by Bob
3. 512 views
Evaluate using the Pythagorean identities.Find sinθ and cosθ if tanθ = 1/4 and sinθ >0
1. 4 answers
2. asked by Alyssa
3. 853 views
Use the Pythagorean identities rather than reference triangles.Find tanθ and cotθ if secθ = 3/2 and sinθ <0 Please help me ,
1. 3 answers
2. asked by Nathan
3. 533 views
Perform the indicated operation and simplify the resultTanx(cotx-cscx)
1. 2 answers
2. asked by Jacob
3. 1,088 views
Evaluate by using the Pythagorean identitiesFind sin θ and cos θ if tan θ=1/6 and sin θ >0
1. 3 answers
2. asked by Bill
3. 845 views
Use the Pythagorean indentities rather than reference triangles. Find tan θ and cot θ if sec θ=8/7 and sin θ <0
1. 4 answers
2. asked by Bill
3. 448 views
Use half angle indentites to find an exact value without a calculatorCos(11π/12)
1. 1 answer
2. asked by Jacob
3. 420 views
solve the system by the method of your choice.identify systems with no solution and systems with infinitely many solutions using
1. 2 answers
2. asked by Anonymous
3. 660 views
Find Quotient and the remainderX^3+216a^3 divides by x+6a
1. 3 answers
2. asked by Kayla
3. 439 views
Suspension cable on a bridge that’s parabola shape. The towers are 900 ft apart and they reach 100 ft from the road if the
1. 1 answer
2. asked by Erick
3. 298 views
Find the polynomial function f with real coefficients that has given degree, zeros, and solution point.Degree: 3 Zeros: -2,1-
1. 2 answers
2. asked by Cariline
3. 1,158 views
For a positive integer n, let f(n) be the function that computes the sum of all positive divisors of n, divided by n. For
1. 1 answer
2. asked by Help pls
3. 82 views
The suspension bridge cables are in the shape of a parabola. The distance between two towers supporting the cable are 800 feet
1. 1 answer
2. asked by Anonymous
3. 92 views
Find the standard form of the equation of the parabola with given characteristics and vertex at the origin. Focus (5/2,0)
1. 4 answers
2. asked by Anonymous
3. 99 views

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