915 Answered Questions for the topic Pre-Calculus
look i am desperate. please someone ACTUALLY help me with my math homework please??
Determine whether the given sequence could be geometric, arithmetic, or neither. If possible, identify either the common ratio or the common difference.4, 2, 1, 1/2, .... A.) geometric; r = 2B.)... more
Suppose sin(theta)= m where 0° Is Less than or equal to theta and less than or equal to 90°. Write an expression for each of the following in terms of “m”
a) sin(theta) = ? b) cos(theta) = ?
Prove the identity. Cot(2x)=1-tan^2(x)/2tan(x)
Let (-2,-3) be a point on the terminal side of θ. Find the exact values of cosθ, cscθ, and tanθ.
Use Identities to find the value of each expression.
Find Cos theta and sec theta if tan theta equals -2 and sin theta is greater than zero.
Cos A =4/5(A in quadrant 4) and Sin B=2/3 (B in quadrant 2)
Using the equation above I need to find Sin B-A and cos B/2
Recall the equation for a circle with center ( h , k ) and radius r
Recall the equation for a circle with center (h,k) and radius r. At what point in the first quadrant does the line with equation y=2x+2 intersect the circle with radius 3 and center (0, 2)?x = y =
Below is the graph of a parabola with its vertex and another point on the parabola labeled. Write an equation of the parabola. The points are (-3,5) and (2,-5)
Convert the rectangular equation x^2 +(y+2)^2 =4 to a polar equation
Please help me with a step by step so I can find my mistake thank you
Write an equivalent expressions for 8cos^4 (x) that does not contain powers of trigonometric functions greater than 1
Please help me with this question
Can someone please answer this for me, I have been trying to work it out but I get an incorrect answer. Thank you
An object is objected to two forces: f1=112 lbs at 231degrees from the north clockwise and f2=108 lbs at N 16degrees W .. I have to find the components of F1 and write in standard form, using i and... more
What is the altitude of the plane?
A plane approaches an airport runway. The runway is 9000ft long. The pilot sights the start of the runaway at an 18.8° angle of depression, and the end of the runway at a 17.5° angle of depression.... more
Given tan 𝜃 = 5/4 and 𝜋 < 𝜃 < 3𝜋/2 Find the exact value of cos 𝜃/2
Write an equivalent expression for 6 sin^4 𝑥 that does not contain powers of trigonometric functions greater than 1
the x is not raised to the power of 6
Solve this problem please
Given that sin u = −2/5 , u in quadrant III, and cos v = 3/4 , v in quadrant IV, find the exact value of sin(u + v).
Pre Calculus Precalculus
If a sample of a radioactive isotope decays from 400 grams to 50 grams in 6 days, find the half-life of the isotope. Simplify your answer as much as possible.
Write equations of cosine functions using properties
Find an equation for a sinusoidal function that has period 2𝜋, amplitude 1, and contains the point (𝜋,4)Cos2pi/2pi=1Cos(x)4 = Cos(pi+C)+D4= Cos (pi+0) +D4= Cos (pi)+D4= (-1) +D My... more
Solve for the equation. (Find all solutions of the equation in the interval [0, 2π). Enter your answers as a comma-separated list.)
4 sin(4x)= -8 sin(2x)x=
This is a circular trig problem that I need help on (pre calculus).
The latitude of London, England is 51.5 N. How far is London from the North Pole if the radius of the earth is approximately 39363 miles?
A particle is moving with the given data. Find the position of the particle, s(t).
A particle is moving with the given data. Find the position of the particle, s(t).(i) a(t) = 2t + 7 , s(0) = 3 , v(0) = -3 s(t) = ??(ii) t^2 - 5t + 4 , s(0) = 0 , s(1) = 20 s(t) = ??
Graphing cosine functions
How would I add increments of p/4 to an x-axis when phase shifting a cosine graph.Say my x-axis looks like:0 | | p/2 | | p | | 3p/2 | | 2pHow do I... more
Which of the following is the general solution of the differential equation dy dx equals the quotient of 8 times x and y
options - a) y2 = x2 + Cb)x2 - y2 = Cc)y2 = 4x2 + Cd)y2 = 8x2 + CI think its D