Trig check my work please?
90,437 results, page 50

English
I need someone to check my answer on this question in an English quick check. Thanks :) 1. In adventures of huckleberry finn what is unusual about the house Huck and Jim find? A. it is completely empty B. it is floating C. there is no furniture I think A? 
5th math
Nia scored 21 points in the game. If she scored 13 points in the first half of the game, how many points did she score in the second half? I subtract 21 from 13 and got 7? To check my work I added 13+7 and got 20? 
Phyics help
I have a few physics questions: 1. How much mechanical work is done by a weightlifter holding a mass of 100 kg, 2.0m above the floor for 3.0 s? Explain ur answer. 2. Calculate the force needed to do 2.0 kJ of work to push a load of bricks 10m? 3. A carpenter applied a force of... 
Algerbra
solve for x ac+x=xy have all terms with x on one side ac=xyx take x as common factor ac=x(y1) now solve for x 25a^2  9b^4 can u please help me solve and check these equations 
Math 8R  HW Qs. Check
Write the product of (1.7 x 10 to the 9th power) x (1.4 x 10 to the 2nd power) in scientific notation My Answer  2.38 x 10 to the 11th power am i correct and please reply this post 
trig
Determine the height of a tree which casts a shadow of 13.7m when the sun is at an angle of 28 degrees. 
trig
Find all angles of a right triangle RST given that r = 18cm and s=20 cm 
trig
What is the amplitude of y = (3sinx/2) + 4? Any link of proof would be appreciated if you have one Thank you 
trig
Solve without using a calculator or tables cos(5pi/6 + pi/4) Thank you Reiny!:) 
trig
Solve for the unknown. Assume that all of the angles are acute. 1. U = 69 A = 75 AN = 56 NU = ______ is this right NU= 92.05 
trig
How do you find all the solutions of the equation in the interval [0,2π)? 3tan^3x=tanx 
trig
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 
trig
a student fitted the line l to the data points (0,3), (2,3.6) (3,6), 6,3) find the center of gravity 
trig
How do you find the exact value of an inverse function geometrically. ie, tan(cos1(4/5)) 
trig
Find all solutions of the equation 2sin^2xcosx=1 in the interval [0,2pi) x1= ? x2=? x3=? 
TRIG
find: sin 23pi/12 i got totally the wrong answer how do i approach this? 
trig
how can you confirm the identity cos^4x = (1/8)(3+ 4cos2x+ cos4x) and sin4x = (4sinxcosx)(2cos^2x1) 
Calculus (trig stuff)
given a angle how do I find it's point P on the unit circle? 
trig
Express each value as a trigonomic function of an angle in quadrant I: Cot(660) 
Trig
If sin^2X=A what is an algebraic expression in A for cos(2X). I have no idea where to even begin with this! 
gr 12. advanced functions
Trig identity Prove: cos2x tan(pie/4  x)  = 1 + sin2x 
trig
Use a halfangle formula to find the exact value of cos 5ð/12 
Trig
How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks) 
Quick Math trig question
Would sin^2x / cos^2x equal tan^2x? 
trig
Given that sin = 3/5 and lies in quadrant II, find the following value. cos 
trig
Determine a pair of coterminal angles in radian measure to the angle pi over 2 
trig
findall exact solutions ( in terms of radians) to the equation 2cos(40)radical 3 =0 
Trig
evaluate exactly(without calculator): 1. sec(pi/4) 2.3sin4pi 3. tan240(degrees) 
trig
how do you use doubelangle formulas to find sin, cos, and tan 
trig
Rewrite 3pi/25 in degree measure. Round to three decimal places. 
Trig
Solve the right triangle ABC using the given information: cos A = 2/5 ; c = 15 
trig
evaluate the trigonometry function using its period as an aid cos(7pi/3) 
trig
Hi,how do I find both solutions of the equation cos0 = 0.35 between degrees 0 and 360? Many thanks 
trig
Calculate the amplitude, period, phase shifts, and 5 points for y=2sin(2piex/3) 
maths trig
if p and q are the solutions of the equation atanx+bsecx,show that tan(A+B)=2ac/(a^2c^2) 
trig
evaluate the expression: cot 270 + 8 cos 180 + 5 sec2360 
trig
3tan(3x) = sqrt(3) Solve the equation for exact solutions of the interval [0,2pi). 
Trig
Find the value of tangent of angle A, given cos2A = 4/5, and A terminates in quadrant 2 
trig
Use the double angle formula to verify the identity cotxsin2x=1+cos2x 
trig
Evaluate each value as a trigonometric function of an angle in Quadrant 1. #1 cos (27pi/8) 
trig
ABC is an isoscele triangle in which [AB]=[AC]=5cm and [BC]=6cm. Calculate [AM], where M is the midpoint of BC. 
Calculus/ trig
Find the area bounded by the curve and the lines y=sinx, y= 1/2, x=5pi/6 and x=pi/6 
Trig
a clock has a diameter of 1 foot what is the angular size if viewed from a distance of 27 feet 
math
4cot^2x4/tanx+cosxsecx factorin algenraic single trig function 
trig
In Rights Triangle ABC with C=90 degrees if a=4 and c=2square roots of 7, find SinA 
trig
In Rights Triangle ABC with C=90 degrees if a=4 and c=2square roots of 7, find SinA 
Trig
Find all solutions of equation on interval [0,2pi] 1=cot^2x + cscx 
Trig
Find all solutions of the equation on the interval [0,2pi): Tan^2x=1secx 
pre calculus 2
use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1 
trig and cotagent
Evaluate cot(11pi/6) to the nearest hundredth (given in radians). 
trig
5sin^2 270degrees 3cos180degreestan(180degrees) i got 2 but I'm not sure if i did it right? 
trig
find reference angle 111degrees and 105 does it equal =75? i don't know the first one 
TRIG
A 5.5 ft tall woman casts a 6.2 ft shadow. Find the angle of elevation of the sun. 
Trig
2sin^2(x) = 2 + cos(x) interval [0,2pi) How do I solve this? Help would be greatly appreciated! 
trig
P(2, 9) is a point on the terminal side of è in standard position. What is the exact value of tan è? 
trig
Find all values of x in the interval [0, 2π] that satisfy the equation. 6 sin2(x) = 3 
trig
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. 
trig
Find all solutions to the equation 2cos(2x) = x + 1, correct to 4 decimal places. 
trig
what is the hietgh difference between 2 walls 6 metres apart to get a 17.5 degree pitch 
trig
Q1: In a rightangle triangle the base is 50 m long and its height is 40 m .find its area 
trig
Find another angle theta between 0 and 2pi that has the same cosine as 3pi/14 
trig
Cos(11/12) use the sum or difference formula to find the exact number 
trig
Solve the equation for exact solutions over the interval [0, 2pi]. 4 cotx+2=2 
precalc/trig
Write the partial fraction decomposition of the rational expression. 4x^2–19x+31/ (x+2)(x^2–4x+5) 
trig
Find the exact solutions of the equation in the interval [0,2pi). sin(x/2)+cos(x)=0 
trig
Find all the solutions of 2 sinx=1cosx in the interval from 0° ≤x<360° 
Trig
sin45cos25 + cos45sin25 = ?? a. cos70 b. sin70 c. cos20 d. sin 20 which answer is correct ?? 
trig
solve for x in the following equations: 1) sin(arcsin x) = 1 2) 2arcsin x = 1 3) cos(arccos x) = 1/3 
trig
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator? 
trig
If the line OP of radius and(x,y) is rotated through a certain angle about the oringin 
Precal
Write down 3 other possible trig forms for  1 + isqrt2. How do you solve this? 
trig
Expan each of the following using the compoundangle formulae:sin(x + 20degree) 
trig
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 
trig
16. Let W(ƒá ) be a point in Quadrant I on the unit circle with center O. W(ƒá )B is perpendicular to the xaxis at B, OB = 0.6. and W(ƒá )B ƒ 0.8. Find: 
trig
Find all angles in degrees that satisfy the equationtan∝ +√3=0 
trig
Give the following for the function: y=2+cos(5x+3.14 Amplitude: Period: Phase Shift: 
Trig
y=sec(2x+1) Find the period and phase shift. Sorry i'm really bad at these. 
Trig
How do i find the exact value of sin 15 using the half angle formula 
Alg2/Trig
Write the log as a single function: logx + 2logy  logz 
trig
find the values of x between 0 and 2 pi where the tangent line to the graph of y = sinxcosx is horizontal 
Algebra & Trig
calculate the velocity of 10 meters per second with an angle of 30 degrees 
trig
Show that the height, h, of the Aframe is equal to the expression 5sinc(1+2cosc). Im not sure what to do. 
trig
find the exact value of sinu/2, given that cosu=4/5 and pi/2less than u less than pi 
TRIG HELP
find the exact solutions over the interval tanx = 1 all real x 
trig
How would I solve this problem for t? 720 = 11.895+2.545sin [2pi/366(t80.5)] 
trig
how to solve for the value of sine and cosine function of 0,90,180 and 270 degrees? 
Trig
Solve exactly over 0 ≤ θ < 2π secx + tanx = 1 
Trig
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 
Trig
Rewrite 2x^2 + sqrt(3)xy  y^2 +2 = 0 with the xy term eliminated. Round terms to nearest hundredth. 
Trig
Use sum and difference identitites to find the exact value of co 15 degrees 
trig
slove the equation exactly over the interval [0, 2pi) sinx=12sin^2x 
trig
Through how many degrees does the minute hand of a clock moves in 5 minutes? In 1 1/2 hours? 
Trig
Rewrite the expression (tan A)(cot A) in terms of a single trigonometric ratio. 
math  trig
Why cant we solve an oblique triangle with the Law of Sines if we are given SAS? 
Trig
In ΔABC, a = 19, c = 10, and m∠A = 111. Which statement can be used to find the value of C? 
Trig
Find the 6th term of the arithmetic sequence with a9=120 and a14=195 
PreCalc/Trig
y=x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x4) 
Trig/PreCalc
Solve the polynomial equation. 15x^3119x^210x+16=0 
trig
solve each equation if 0 < x < 2pi. answer must be in radians 1. 4 cos x  2 = 0 2. 3 sec^2  4 = 0 
Precalc/Trig
For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= 1/24x^2