Before calculators were around, why was it advantageous to use logarithms to calculate roots? Thanks, Bella
Suppose you have an isosceles triangle, and each of the equal sides has a length of 1 foot. Suppose the angle formed by those two sides is 45 degrees. Then the area of the triangle is ? should be...
The bearing from city A to city B is S 40 degrees E and the bearing from city B to city C is N 25 degrees E. It takes 2.1 hours for a car traveling at 54 miles per hour to go from A to B and...
How can you do this without plugging it into a graphing caculator?
graph y = Atan(Bx-c) with y-coordinates on graph 1/4 and 3/4 between consecutive asymptotes -1 and 1
I am trying to find the cosine of a fraction of a variable and I m lost. I can do one or the other but not combined. Any help would be greatly appreciated.
For cos x cos 3x - sin x sin 3x=0 use an addition or subtraction formula to simplify the equation and then find all solutions of the equation in the interval [0, pi) the answer...
Given sin (a)= 8/9 and pi/2 <a<pi Find the exact value of sin (a/2) do not use decimals sin (a/2)=?
given cos (a)=4/5 and 3pi/2<a<2pi. Find the exact value of cos (a/2)
Use an addition or subtraction formula to write the expression as a trigonometric function of one number:
cos (3pi/7) cos (2pi/21)+ sin (3pi/7) sin (2pi/21)= cos (pi/A)= B/2 A= B=
Two cars race around a circular track, in opposite directions, at constant rates. They start at the same position and meet every 30 seconds. If they move in the same direction, they meet every 120...
please I need help I don't know how to solve this!!!!!!
Trigonometry Equation 6 cos 2 0 = 3 Please I need step by step instruction on how the answers where found. Thank You for being so Helpfull, Bella...
what is the actual use of direction cosines... and wht happens actually when we consider direction cosines..please answer in detail..!
5.If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 13.9 inches, ? = 150°, s = ?
please step by step instructions If s denotes the length of the arc of a circle of radius r subtended by a central angle θ, find the missing quantity.r = 13.9 inches, θ =...
Find dy/dt, given that y=x^2+4x and x=cos(3t).
cos θ=-sin(-θ) solve each equation on the interval 0≤θ<2Π
Find an angle between 0 and 2pi that is coterminal with the resulting angle.
Solve each equation on the interval 0≤θ<2pi tan θ=2 sin θ
FJ is contained in plane R, BC and DE are contained in plane S, and FJ, BC, and DE intersect at A. its hard for me