Trig check my work please?
42,204 results, page 2

trig
find the exact values of the six trig functions of theta equals six pi divided by 8 
Trig
find the exact values of the six trig functions of angle... sin(315degrees) how do i do this? 
trig
I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x0= secx i(x)= cscx 
trig
What is the shift along y of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you 
trig
if (12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0 
trig
What is the shift along x of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you 
trig
simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x) 
trig
find the 5 trig ratios when sin theta = 5/13 and lies in quadrant 3 
trig
What kind of reflections are the following trig functions? y = 3cos(x1) y = sin(3x+3) y = 2sin(x)4 
Precalculus
How would you solve this trig function: cos2x=sin^22 how do you know what trig identities to use? 
Trig
Find (if possible) the trig function of the quadrant angle. sec 3pi/2 
trig
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ 
trig
Suppose that q is in standard position and the given point is on the terminal side of q. Give the exact value of the indicated trig function for q. 
Trig Check my answer Please
Find the reference angle for 144 degrees. I'm coming up with 504 degrees, but I think I'm missing a step. 
trig
TRIG Identities, Gr. 12: Prove: cot4x=1tan^2x/2tan2x 
trig
What is the shift along x of the following trig functions? y = (3sinx/2) + 4 y = 2sin(x)4 y = sin(3x + 3) 
trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have? 
trig
how do i do this? give the signs of the six trig functions for each angle: 74 degrees? 
trig
How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME! 
trig
use the unit circle to find the exact value for all the trig functions of è=2ð/3. 
trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have? 
Math
Please check my work. 1) 64 divide 4 = 16 2) 144 divide (9) = 16 3) Simplify 9 and a small 2 = 81 4) Simplify (3) and a small 3 = 27 5) Add 4/11 + 5/11 = 1/11 6) subtract 5/11 [3/11] = 8/11 7) multiply [7/8] • [2/4] = 7/16 8) divide 3.5 5.6 = 0.63 9) classify... 
SpanishPlease check my work
Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking 
physics (check my work pleas)
A 5.00kg ball is swung at the end of a 1.25 m chain with a w of 2.0s^1. Find the balls a)V (m/s) b) KE 1/2mv^2 c) I, inertia d) Ke with I e) Fc> centripetal force Work a) v=rw v= (1.25m)(2.0s^1) v= 2.5 m/s b) 1/2 mv^2 (.5)(5)(2.5)^2 c) I=mr^2 = (5)(1.25)^2 = 15.6 d0 =.5... 
Math gr.12 Trig.
Hi, could someone explain to me how to use a counterexample in trig to prove whether something is either an identity or equation? For ex. how would you do that with this question? sec^2xtan^2x= cos x 
Trig
The next two steps in solving this trig identity question are ??? 1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh need help please 
Trig application
I'm having trouble with this trig application. The scenario goes: A ferris wheel has a diameter of approximately 65 meters. Assume it takes 110 seconds for the ferris wheel to make one complete rotation. find the angular speed of the ferris wheel in radians per minute and ... 
Can someone check my answer plzzz!!!
Simplify (6x^2)^2(0.5x)^4 show your work IS this right?? (6x^2)^2 * (0.5x)^4 =6^2 x^4 *(0.5)^4 x^4 =(36 * 0.0625) * (x^4 * x^4) = 2.25 * x^0 =2.25 *1 =2.25 is this right Can you check my answer? 
English
I have some more sentences to check on the same subject.Thank you very much! 1) I took off a day because I was ill. Correction: I took a day off... Or I went sick (I took a day sick leave/I asked for a day sick leave??) 2) I would like to work at my passion because I would be ... 
Art
Please check my work i am in connecus and i can’t add in the pictures but if possible can someone check this. This picture is called “ the wounded foot” and it’s by Joaquin sorolla y Bastida and I really hope someone can check this answer thanks In this scene the ... 
Trig
Find (if possible) the trig function of the quadrant angle. 
trig
write a product of two trig functions that equals 1. 
Trig
csc thea= 2, quadrant 4. what are the six trig functions? 
trig
what's the single trig. function of cos6xcosxsin6xsinx 
Trig
Solve the following trig equation 2cos(xπ/6)=1 
Functions & Trig
evaluate each function at the given value: f(n)=n^6+31n^4+26n^3+20n^2+33n20 when n=6 I was thinking that I should do synthetic division, but I've tried it a few times and I can't get it to work out correctly. Please help! 
trig
use sum or difference identities to find the exact value of the trigonometric function: tan 345 please show work, i cant figure out what im doing wrong! 
Functions & Trig
evaluate each function at the given value: f(n)=n^6+31n^4+26n^3+20n^2+33n20 when n=6 I was thinking that I should do synthetic division, but I've tried it a few times and I can't get it to work out correctly. Please help! 
English
I left out these sentences. Could you please check them? Thank you. 1) We are delighted to welcome today representatives from the French and the German school with whom we will embark (work?) on our Comenius project. 2) We have searched with difficulty to find two schools that... 
Math
Evaluate the expression for the given value of the variable. Show your work. [4b8]+[1b^2]+2b^3;b=2 Solve the equation. Check for extraneous solutions. 9[98x]=2x+3. Show your work. I really need help with both of these problems. 
Trig
I need help solving the two problems below. Thanks For each equation, determine whether its graph is symmetric with respect to the axis, the axis, and the origin. Check all symmetries that apply. 1. y=ã(4x^(2)) 2. 34x^(2)+12y^(2)=18 
math can you please check my work
Can you please check my work. I asked this question yesterday but no one helped me. Thank you , I really appreciate it A hot air balloon was at a height of 60 feet above the ground when it began to ascend. The balloon climbed at a rate of 15 feet per minute. a) make a table ... 
Calculus
Does my answer look correct? Find the derivative. 11, y= (e^3e)(e+5)/6e my work: ((6e)(4e^3 + 15e^2  2e  5)  (6)(e^4 + 5e^3  e^2  5e))/ (6e)^2 Multiplied/divided everything through My answer: (10e^2 + 30e  3)/ 18 I cant follow your work: I assume e is a derivative. (e^3... 
Trig  check my answers plz!
1. (P 15/17, 8/17) is found on the unit circle. Find sinΘ and cosΘ Work: P= (15/17, 8/17) cosΘ = a value P = (a,b) sinΘ = b value Answer: cosΘ = 15/17 sinΘ = 8/17 2. Should the triangle be solved beginning with Law of Sines or Law of Cosines... 
Chemistry
What is the molarity of a phosphoric acid solution if 32.3 mL of the phosphoric acid solution is titrated to the final equivalence point with 20.6 mL of 0.581 M sodium hydroxide acid solution? H3PO4 + 3NaOH ==> Na3PO4 + 3H2O mols NaOH = 0.0206L*0.581 M= ?? mols H3PO4 = 1/3... 
Trig
I need help solving the two problems below. Thanks For each equation, determine whether its graph is symmetric with respect to the axis, the axis, and the origin. Check all symmetries that apply. 1. y=sqrt(4x^(2)) 2. 34x^(2)+12y^(2)=18 
trig 26
simplify to a constant or trig func. 1. sec ²utan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta)  tan(theta)*cos(theta)+ cos(pi/2  theta) 3. (sec y  tan y)(sec y + tan y)/ sec y combine fractions and simplify ... 
Physics  pulley
A construction crew pulls up an 87.5kg load using a rope thrown over a pulley and pulled by an electric motor. They lift the load 15.5 m and it arrives with a speed of 15.6 m/s having started from rest. Assume that acceleration was not constant. I have done the problem but am... 
trig
Getting ready for trig semester finals. Can't figure out how they are simplifying these equations. (these are the review not actual test) tanxsqr3=2tanx and 2sin^2+sinx=0 
trig
how to i find the six trig values for (7pi/3) 
trig
What is the range of the trig function sin(3x+3)? 
Trig
Trig Identity. 1sin^2x/1cosx 
trig
what is the exact value of 7pi for all trig func.? 
trig
write 2+2 squareroot of 3i in trig form. 
Math
"Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and 248 cm?" I think the ... 
math
Ex 3: 4x7<2x+5 4x72x<2x2x+5 2x7<5 2x7+7<5+7 2x<12 2x/2<12/2 x< 6 Note I did not switch the order of the inequality here since I divided by a positive number. Multiplying or dividing by a positive number does not change the order of the inequality. So... 
trig
I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated 
Trigonometry
Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90x)=3/8 8.)Csc x=13/5 9.)Cot x=square root of 3 10.)Sin(90x)=.4563 11.)Sec(x)=4 12.)Cos x=.2351 I need HELP! 
Trig
Evaluate the following expression: sin(cos^1(12/13)) tan(sin^1(3/5)) I do not know what the inverse values would be...how would I work through this? 
algebra
x/9 +3 = 8  x/3 Solve?????? First, get rid of the fractions to make the equation easier to solve for x. Let's multiply every term by 9: 9 [x/9 + 3 = 8  x/3] x + 27 = 72  3x 4x = 45 x = 45/4 Substitute 45/4 for x in the original equation to check. It always helps to check ... 
Trig
Can someone check my answers? Find # of triangles possible: <A=44.3, a=11.5, b=7.7 ... 2 triangles, B=~27.9 or B=~152.1 <A=29.3, b=20.5, a=12.8 ... 2 triangles, B=~51.6 or B=~128.4 
Math (Trig)
I have a unit circle graph like the one at the top of a website (do a google search for 'unit circle trig functions' and click the second link, since I can't post links). I need to label the sine, cosine, tangent, secant, cosecant, and cotangent. I found several pictures that ... 
trig/cal
how does pih^3/12 simplify to pih^2/4? If you divide denominator by 3 you get 4 and then I guess the 3 goes away leaving a 2? But if this is correct why does this work? 
trig!!
sin^4 x (cos^2 x)=(1/16)(1cos 2x)(1cos4x) work one 1 side only! 
Math check please
2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area is 14.4 and the perimeter is 19.6 is it correct? rectangle 2 : length of 6p ... 
Foreign languages
Can you please check these sentences, Writeacher? 1) We...... (sit) in the sun for ... when she (tell) us to get inside. 2)We had been sitting in the sun for about half an hour when she told us to get inside. 3) Peter confessed to eating all the cake. (Peter/confess) (shall I ... 
Trig?Precalc
write the rectangular equation x^2+y^2=6 in polar form. I do not want people to just post the answer! Please, show your work so that I can understand how to do these kinds of problems myself! Thank you and God Bless! 
Trig help
Can someone help me find ALL solutions in the interval [0,2π) for the given equations. Please show work. 1) sin2x = sin2x 2) tan2x +tanx = 0 
Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is... 
Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is... 
Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is... 
science
Please check my work 3M solution of NaOH (1 liter worth) molecular weight: 39.99 3 x 39.99= 119.97 grams dilute to 1000mL 3 M solution of HCl (1 L) c1v1=c2v2 (12M)(?)= (3M)(1000mL) ?= 250 mL please check thank you 
Algebraplease check my work
check my answers please. Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers. f(x) = 2x3 + 10x2  8x  5; between 1 and 2 I got: f(1)=1 and f(2)=35;no Determine the maximum possible number of turning ... 
Dot product
I cant get the correct answer and I can't figure out what I am doing wrong. If a=(2,2k) and b=(4,k) are perpendicular, find k. I have worked it out, and I got 2 but it doesn't work when I check it in the original equation. It should be a.b=0 and then plug in the numbers and ... 
precalculus
I'm going to do this on my own, but I would like to check mine against yours  give me today to work on it and I will be able to compare. List all possible rational zeros for the polynomial find all real zeros and factor completely. show work f(x)=3x^429x^3+89x^275x36 thank... 
Trig identity inverses
Find the exact value of cos[cot^1 (√3) + sin^1 (1/2)]. I'm having trouble with inverses. Please help by showing work. 
Calculus
Am I allowed to multiply an entire integral (on the inside AND the outside) by negative 1? I have a potential trig identity in the integral that will only work if it's multiplied by 1... 
Trig
I've done this one multiply times yet it never seems to work out, I'm supposed to simplify yet it never works out tan(csc^1(x/x1)) my first step; sin/cos(1/sin(x/x1)) 
Trig please help!
sin^6 x + cos^6 x=1  (3/4)sin^2 2x work on one side only! 
business
You have been retained to analyze how many checkin agents should be used at a checkin counter for a large hotel. During normal business hours, customers arrive at a rate of about 24 per hour, and it takes about 7 minutes to complete the checkin process. Both the poisson ... 
third grade math
how do you check addition problems by adding up? Let's use this addition problem as an example. 21 35 ___ First you add 1 + 5. To check your work, add up, 5 + 1. If you have a column of numbers and you go down each column to add them together, that's normal, right? 36 95 15 ... 
Calculus
An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 mi/hr. Find the rate at which the angle of elevation is changing when the angle is 30 degrees. I found the answer to be 60 radians/hr by taking the derivative of... 
Mathcheck my work please??
Write an equation, in pointslope form, for the line that is perpendicular to y – 10 = 3/2 (x – 4) and that passes through the point (4, 2). My Answer: Formula for pointslope form; y – y = m(x – x) Insert y and x value; y – 2 = m(x – 4) If the slope for the ... 
Trig Check my answer Please
Find the unit vector in the direction of <1,2>. Do not approximate any numbers in your answer. I get (1/sqrt10) and (3/sqrt10) 
Physics drwls please check
Good morning. This is a repost. The system is telling me my calculations is incorrect. I thought a fresh pair of eyes would help. Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a ... 
English
1. I have a staff who works for me. 2. I have a staff who work for me. 3. I have a staff of one who works for me. 4. I have a staff of ten who work for me. 5. I have ten staff who work for me. 6. I have ten staffs who works for me. 7. I have ten step members who work for me... 
Calculus
so we are doing integrals and I have this question on my assignment and I can't seem to get it, because we have the trig substituion rules, but the number isn't even so its not a perfect square and I just cant get it, so any help would be greatly appreciated. The question is... 
Trig Check my answer Please
Use a cofunction to write an expression equal to csc(4ð/11). Is the answer csc(4ð/11)= 1/sin(4ð/11) 
English
What kind of work is done by volunteers? 1. To help the handicapped to take baths and have meals. 2. To take care of children in/at orphanages. 3. To care for sick people/patients at hospitals. 4. To clean dirty places such as rivers, seas, and mountains. 5. To do paper work ... 
Physics 11
Can someone explain what work total is? In my lessons it said Work total is the sum of all work & showed an example of different work being added together. An assignment after that however made me think that may not be the case... Do I need to add the work in some cases or is ... 
Calculus
Determine if the Mean Value Theorem for Integrals applies to the function f(x) = x^3 − 16x on the interval [−1, 1]. If so, find the xcoordinates of the point(s) guaranteed to exist by the theorem. f(a)=15 f(b)=15 f'(x)=3x^216 f'(c)=15 I am now lost from here, I do not ... 
math
2x+4(1x)=11+5x 2x+44x=11+5x 6x+4=11+5x 6x=7+5x x=7 i think this is it x = 7 is not correct. Here's how the problem should work out: Use the distributive property to get rid of the parentheses and you will end up with this: 2x + 4  4x = 11 + 5x Combining like terms: 2x + 4... 
trig
combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cot²x  sin x/cos²x 
Physics check answer please
I am supposed to fill in the blanks without a word bank. 1. I you push a crate with 40 N of force at an angle of 30 degrees and your friend pushes with a force of 40 N horizontally, the amount of work you are doing is _____ the amount of work your friend is doing on the crate ... 
trig
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^1(2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer. 
trig
If cos 0 =  1/2 and tan 0 > 0, find the quadrant that contains the terminal side of 0, and then find the exact values of the other five trig functions of 0. 
Physics repost please check
Good morning. This is a repost. The system is telling me my calculations is incorrect. I thought a fresh pair of eyes would help. Please tell me what I am doing wrong. Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. ... 
Physics, still don't get it!
Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a negligible mass. The area of the piston is 3.06 102 m2, and the pressure outside the cylinder is 1.02 105 Pa. Heat (2109 J) is ... 
Advance Math
Find solutions of the equation in the interval [0, 2pie} Cos(x+pie/3)+Cos(xpie/3)=1 I need to show work without calculator and be able to check in order for it to work Thanks for help 
trig
Solving Trig Functions: How Do You Solve For Sin 7.5 Using HalfAngle and DoubleAngle Identities?