4,385 results, page 15
Simplify: (n/4)/(n/m) As my answer I got: 4m Is this response correct? If not, please let me know what I did wrong.
Prove the identity. (must work with left side) (1-2sin(x)^2)=(cos(x)^2)
If tan(x)=8/3 and sin(x)<0, then find cos (x) sec(x) csc(x) i don't understand how u do this problem
a student fitted the line l to the data points (0,3), (2,3.6) (3,6), 6,3) find the center of gravity
How do you find the exact value of an inverse function geometrically. ie, tan(cos-1(4/5))
Find all solutions of the equation 2sin^2x-cosx=1 in the interval [0,2pi) x1= ? x2=? x3=?
(1/x - 3/x+4) / 1/x square -16 please help me with this question if you can show the work or explain how to solve. thank you
find: sin 23pi/12 i got totally the wrong answer how do i approach this?
how can you confirm the identity cos^4x = (1/8)(3+ 4cos2x+ cos4x) and sin4x = (4sinxcosx)(2cos^2x-1)
simplify using properties of exponents ? (2y^1/5)^4 ---------- y^3/10 what would that be please hlepp
given a angle how do I find it's point P on the unit circle?
Express each value as a trigonomic function of an angle in quadrant I: Cot(-660)
If sin^2X=A what is an algebraic expression in A for cos(2X). I have no idea where to even begin with this!
Trig identity Prove: cos2x tan(pie/4 - x) ------- = 1 + sin2x
Use a half-angle formula to find the exact value of cos 5ð/12
How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks)
Would sin^2x / cos^2x equal tan^2x?
Given that sin = 3/5 and lies in quadrant II, find the following value. cos
Determine a pair of coterminal angles in radian measure to the angle pi over 2
findall exact solutions ( in terms of radians) to the equation 2cos(40)-radical 3 =0
evaluate exactly(without calculator): 1. sec(pi/4) 2.3sin4pi 3. tan240(degrees)
how do you use doubel-angle formulas to find sin, cos, and tan
Rewrite 3pi/25 in degree measure. Round to three decimal places.
Solve the right triangle ABC using the given information: cos A = 2/5 ; c = 15
evaluate the trigonometry function using its period as an aid cos(-7pi/3)
Hi,how do I find both solutions of the equation cos0 = 0.35 between degrees 0 and 360? Many thanks
Calculate the amplitude, period, phase shifts, and 5 points for y=2-sin(2piex/3)
if p and q are the solutions of the equation atanx+bsecx,show that tan(A+B)=2ac/(a^2-c^2)
evaluate the expression: cot 270 + 8 cos 180 + 5 sec2-360
3tan(3x) = sqrt(3) Solve the equation for exact solutions of the interval [0,2pi).
Find the value of tangent of angle A, given cos2A = 4/5, and A terminates in quadrant 2
Use the double angle formula to verify the identity cotxsin2x=1+cos2x
How do I do this? I punch the numbers into my calculator, and they don't work. B=sin^-1 (12/7 sin42\[Degree])
Evaluate each value as a trigonometric function of an angle in Quadrant 1. #1 cos (27pi/8)
ABC is an isoscele triangle in which [AB]=[AC]=5cm and [BC]=6cm. Calculate [AM], where M is the mid-point of BC.
Find the area bounded by the curve and the lines y=sinx, y= 1/2, x=5pi/6 and x=pi/6
a clock has a diameter of 1 foot what is the angular size if viewed from a distance of 27 feet
4cot^2x-4/tanx+cosxsecx factorin algenraic single trig function
In Rights Triangle ABC with C=90 degrees if a=4 and c=2square roots of 7, find SinA
In Rights Triangle ABC with C=90 degrees if a=4 and c=2square roots of 7, find SinA
Find the following cot(Arccsc 25/24) show your work
Find all solutions of equation on interval [0,2pi] 1=cot^2x + cscx
Find all solutions of the equation on the interval [0,2pi): Tan^2x=1-secx
use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1
Evaluate cot(11pi/6) to the nearest hundredth (given in radians).
5sin^2 270degrees -3cos180degrees-tan(-180degrees) i got -2 but I'm not sure if i did it right?
find reference angle 111degrees and -105 does it equal =75? i don't know the first one
A 5.5 ft tall woman casts a 6.2 ft shadow. Find the angle of elevation of the sun.
2sin^2(x) = 2 + cos(x) interval [0,2pi) How do I solve this? Help would be greatly appreciated!
P(2, 9) is a point on the terminal side of è in standard position. What is the exact value of tan è?
Find all values of x in the interval [0, 2π] that satisfy the equation. 6 sin2(x) = 3
Triangle XYZ has vertexes at X(-4, 5), Y(-3, 5), and Z(-3, 4). Find the measure of angle Y to the nearest degree.
Find all solutions to the equation 2cos(2x) = x + 1, correct to 4 decimal places.
what is the hietgh difference between 2 walls 6 metres apart to get a 17.5 degree pitch
Q1: In a right-angle triangle the base is 50 m long and its height is 40 m .find its area
Find another angle theta between 0 and 2pi that has the same cosine as 3pi/14
Cos(-11/12) use the sum or difference formula to find the exact number
Solve the equation for exact solutions over the interval [0, 2pi]. 4 cotx+2=-2
Write the partial fraction decomposition of the rational expression. 4x^2–19x+31/ (x+2)(x^2–4x+5)
Find the exact solutions of the equation in the interval [0,2pi). sin(x/2)+cos(x)=0
Find all the solutions of 2 sinx=1-cosx in the interval from 0° ≤x<360°
sin45cos25 + cos45sin25 = ?? a. cos70 b. sin70 c. cos20 d. sin 20 which answer is correct ??
solve for x in the following equations: 1) sin(arcsin x) = 1 2) 2arcsin x = 1 3) cos(arccos x) = 1/3
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator?
If the line OP of radius and(x,y) is rotated through a certain angle about the oringin
Write down 3 other possible trig forms for - 1 + isqrt2. How do you solve this?
Solve for x if sin2x=cos(x+60 and x€ [-90,180].show all work details
Expan each of the following using the compound-angle formulae:sin(x + 20degree)
find the general solutions to the equations: 1) sec x = -2 2) 2 sin^2 x = 1 3) cos^2 x - 2cos x + 1 = 0
16. Let W(ƒá ) be a point in Quadrant I on the unit circle with center O. W(ƒá )B is perpendicular to the x-axis at B, OB = 0.6. and W(ƒá )B ƒ 0.8. Find:
Find all angles in degrees that satisfy the equationtan∝ +√3=0
Give the following for the function: y=2+cos(5x+3.14 Amplitude: Period: Phase Shift:
y=sec(2x+1) Find the period and phase shift. Sorry i'm really bad at these.
If 4x^2+9=kx, what value of k will produce equal roots? the answer is 12 but i don't understand how you get it, please help!
How do i find the exact value of sin 15 using the half angle formula
Write the log as a single function: logx + 2logy - logz
find the values of x between 0 and 2 pi where the tangent line to the graph of y = sinxcosx is horizontal
calculate the velocity of 10 meters per second with an angle of 30 degrees
Show that the height, h, of the A-frame is equal to the expression 5sinc(1+2cosc). Im not sure what to do.
find the exact value of sinu/2, given that cosu=-4/5 and pi/2less than u less than pi
find the exact solutions over the interval tanx = 1 all real x
How would I solve this problem for t? 720 = 11.895+2.545sin [2pi/366(t-80.5)]
how to solve for the value of sine and cosine function of 0,90,180 and 270 degrees?
help please!: (sinx + sin2x +sin3x) / (cosx + cos2x + cos3x) = tan2x
Solve exactly over 0 ≤ θ < 2π secx + tanx = 1
Convert this equation so that it could be entered into a calculator in the standard y= format. x^2 - 4xy + 4y^2 - 8y + 2 = 0
Rewrite -2x^2 + sqrt(3)xy - y^2 +2 = 0 with the xy term eliminated. Round terms to nearest hundredth.
Use sum and difference identitites to find the exact value of co 15 degrees
determine the sum of the first 100 even integers SHOW YOUR WORK
slove the equation exactly over the interval [0, 2pi) sinx=1-2sin^2x
Through how many degrees does the minute hand of a clock moves in 5 minutes? In 1 1/2 hours?
Rewrite the expression (tan A)(cot A) in terms of a single trigonometric ratio.
Can you solve and show me the work in these two equations? cos(3x)=-1 tan (theta)=-1
Why cant we solve an oblique triangle with the Law of Sines if we are given SAS?
In ΔABC, a = 19, c = 10, and m∠A = 111. Which statement can be used to find the value of C?
Find the 6th term of the arithmetic sequence with a9=120 and a14=195
which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3
y=-x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x-4)
Solve the polynomial equation. 15x^3-119x^2-10x+16=0
solve each equation if 0 < x < 2pi. answer must be in radians 1. 4 cos x - 2 = 0 2. 3 sec^2 - 4 = 0