Trig check my work please?
90,505 results, page 4

trig
find the 5 other trig functions if cos(theta) = square root of 2/2 and cotangent is less than 0 
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 exact value of 7pi for all trig func.? 
Trig
Find (if possible) the trig function of the quadrant angle. 
trig
write a product of two trig functions that equals 1. 
Trig
Solve the following trig equation 2cos(xπ/6)=1 
Trig
csc thea= 2, quadrant 4. what are the six trig functions? 
trig
TRIG Identities, Gr. 12: Prove: cot4x=1tan^2x/2tan2x 
algebra
Please check my work and correct if necessary. Thank You. Using factoring and zeroproduct property, this is my solution for 9^230r+21=4. 9r^230r+21=4 9r^230r+25=0 (3r5)(3r5)=0 r=5/3 
Math Please Check!!
Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math ... 
Calculus
Can you please check to see if these answers are correct? I have provided my work as well! That you! This is much appreciated!! 1. What is the volume of the solid that is generated by revolving the region bounded by the curves x = 3y^22 and x = y^2 and y = 0 about the x axis... 
English
I still have a few sentences to check. I really hope you can help me check them. I added a few more sentences. 1)I think the best thing to do is working at a passion because in this way you'll work better than anyone else. 2)You feel the need to go to work. 3) If you work at ... 
Calculus
Integrate [1/square root of(e^(2x)1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out! 
Calculus
Evaluate using integration by parts, substitution, or both if necessary. the intergral of cos 2x ln(sin 2x) dx My work: w= sin2x dw= 2cos2xdx 1/2 dw= cos2xdx 1/2 integrsl sign ln(w)dw u= lnw u'= 1/w v= w v'=1 1/2 [(lnw)(w) integral sign (1/w)(w) dw] 1/2 (wlnww) Final Answer... 
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... 
SpanishPlease check my workThanks
Could someone checkI had to correctly conjugate the verbs. Mis hermanos prefieren un pastel de chocolate. Mi padre prefiere una corbata azul. Mis amigos quieren una fiesta. Yo quiero muchos regalos. Nosotros queremos una fiesta. Ellos quieren bailar. Nosotros preferimos ... 
Grammar  Improving Tone
Revise this paragraph to eliminate negative attitude and focus on postive ideas. "We are sorry to inform you that the TravelLite suitcase, Model X4457, you asked about is temporarily out of stock in our warehouse, just as Ms. Cummings of our Hilldale store infromed you. We ... 
Chemistry
Can you please help me to work out the addreviated structural formulae of hydrolysis of tocainide? Won't it be the NH2 group that hydrolyzes? ArNH2 + HOH ==> ArNH3^+ + OH^ Check my thinking. Thanks That is exactly what I thought it would be. Thanks again DrBob. 
Social Studies 7th Grade
Check my work please! Although India ahs only 16 official languages, people there speak more than ________ language. 1.30 2.50 3.100 4.800 I belive the answer is 1. 
English
In any academic writing, it is appropriate to use the word you, as in: When you read the research, you know that the death penalty does not deter crime. True False I say false. Please check my work. 
physics......PLEASE HELP!!
A steam engine absorbs 1.98*10^5 J and expels 1.49*10^5 J in each cycle. Assume that all of the remaining energy is used to do work. a. What is the engine's efficiency? b. How much work is done in each cycle? If a gasoline engine has an efficiency of 21 percent and loses 780 J... 
please check my answer
Please check my answer thanks :) Nurse employees at a non profit hospital neglect a patient,resulting in harm. The pt sues, in most states what would be the end result not really sure do they get charitable immunity 
AlgebraPlease check
We're learning arithmetic sequencesplease check this for meit's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just added 2 to each of ... 
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
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
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ 
Physics (please help!!)
A skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ... 
Physics (please help!!!!)
a skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ... 
trig
how to i find the six trig values for (7pi/3) 
trig
what's the single trig. function of cos6xcosxsin6xsinx 
math
A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished? (explaination please) 
ExtremaCheck my work please?
Find and classify the relative maxima and minima of f(x) if f(x)= defint a=0 b=x function= t^24/(1+cos(x)^2) dt x^24/(1+cos(x)^2)= 0 x^24=0 x^2=4 x= +/ 2 So I got relative maximum as 2 and 2. And relative minimum as zero. However, when I graph it on Wolfram, it gives me ... 
maths
Please guide me to solve the below problem: 'A'an do 2/3 of a work in 40 days.'B'can do 1/2 of the work in 75 days.'C'can do 3/4of work in 75 days.If all them together work in how many days will they do 5/6 0f the work. I had solved the above problem like this: A can do the ... 
Math/Dosage Calculations
Hey, can someone please check my work for me? I've done this over and over but cannot find my mistake. Am I just supposed to round??? Calculate intake in mL, assume a glass is 8 oz: 6oz. Jello 5oz of Tomato Soup 1/4qt Iced Tea 1/2 glass of water The answer is 700. This is my ... 
Trig
Find the point on the terminal side of θ = three pi divided by four that has a y coordinate of 1. Show your work for full credit. 
math
1. Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages. a. If x = the brother’s age now, write an expression for Samuel’s present age in terms of x. b. Write an expression for the brother’s age in five... 
English
Please check my work. Identify whether if this sentence is complex, an exclamation, declarative, or interrogative. The car broke down, but a rescuer van arrived within minutes.  Complex 
math
I'm trying to factor a problem and cannot seem to get it to work out  12a^3 + 10a^2  8a I first factored out the gcf of 2 to get 2a(6a^2 + 5a  4) From there I keep coming up with answers that are incorrect when I check them  any suggestions please? 
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... 
Uncountable nouns
1.work 2. skin 3. sand 4. rain 5. postcard 6. traffic 7. accident 8. air 9. cloud 10. information 11. happiness 12. news 13 furniture 14. entertainment Please help to check the above whether they are all correct, thanks & regards. 
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. 
English
Identify the correct sentence. a) Please pick me up at five p.m. at night after work. b) Please pick me up at 5 p.m. after work. c) Please pick me up at 5 pm at night after work. d) Please pick me up at 5:00 p.m. after work. B 
Calculus
Okay so I have a question on my assignment that says: You are given that tan(y) = x. Find sin(y)^2. Express your answer in terms of x. I know its derivatives, and I've tried taking the derivatives of both etc, and got them both to come out as cos(y)^2, which I know can be ... 
Math Help Please!!!
Solve the equation:(x+3)/3=(x+3)(x1) Divide both sides by (x+3), multipy both sides by 3. I Will be happy to critique your work. will it be x=2? no. 1=3(x1) 1=3x+3 2=3x x= 2/3 check that. 
MathPlease Check Work!
Find the image of P(5,3)under each of the given transformations: 1. r xaxis(5,3)? 2. Rorigin (5,3)? 3. R90 (3,5)? 4.T 0,3 (5,0)? 5.r xaxis o T2,2 (7,1)? 6. r xaxis o r y=x (3,5)? 7. r y=x o r xaxis (3,5)? 8. R(2,2) o T5,3 (12,4)? Thank you! 
I need help with these please ALGEBRA
1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. 3x5 + 9x4 + 5x3 + 3 2. Evaluate : sqrt7x(sqrtx7sqrt7) show your work. 3. Solve the equation. Check for extraneous solutions... 
Physics (please help!!!!)
A skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ... 
math  standard form
please could you check the first 2 then explain the method on the other 2 1)5.2x10^6 + 3x10^5 5200000+300000=5500000 5.5x10^6 2)4.2x10^5 + 1.28x10^6 420000+1280000=1700000 1.7x10^6 method please 3)6.5x10^3  3.5x10^9 0.0650.000000035=0.064999965 how do you convert this ... 
calc check please?
Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). ... please check this for me! no one has responded to this question yet.. thanks. y' = y(1+x), y'(0) = 1(1+0)=1 >the solution has slope 1 at the point (0,1... 
SapnishPlease check SraJMcGin
Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho. 
math(check answers please)
PLEASE CHECK THESE ANSWERS compare the pair of numbers use <,>,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/4<6/8 C.3/4>6/8 Write the decimal as a fraction or mixed number in simplest form. 3.45 A.4 3/4 B.4 9/20 C.3 3/4 D.3 9/20(I PICKED THIS 
math
A can finish a work in 24 days , B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days.The remaining work was done by A in ? any idea please i used work rate concept but i did not reach to the answer 
algebra
please check and correct thanks Problem: solve and check the inequality if possible 4F+8< 12 positive: negative: 4F+8 < 12 4F + 8 < 12 4F + 8 8 < 12  8 4F +88 < 128 4F < 4 4F< 20 F < 1 F< 5 solutions 1 and 5 or 5 < F < 1 check ... 
SpanishPlease check SraJMcGin if possible
Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho. 
Health please check my answer
Please check my answer thanks True or False The term malignant, when used in reference to hypertension is a treatable cancer I said True 
Health please check my answer
Please check my answer The term neoplasm refers to what ? A. invasive carcinoma B. malignant growth C. growth of a tissue D none of these I say it's B 
chemistry(Please Check)
You dissolve 6.55 g of potassium nitrate in enough water to make a 250. mL solution. What is the molarity of this solution ?Answer: 0.0262 Please Check my answer 
calculus trig substitution
∫ x^3 √(x^2+9) dx If you work it can you write the steps? I really don't like the way my teacher teaches it. Someone else doing it might help. 
Health please check my answer
Please check my answer thanks What does the abbrevation "AD" represent in a medical report ? My answer is both ears 
precalculus/check please
Find the difference quotient by using f(x+h)−f(x)/h 1) f(x) = √(2x+1) answer (√(2x+1+2h)  √(2x+1))/h can you check please 
Chemistry (Check)
Thanks but can you check another one for me The Valence electrons largely determine the blank of an element and are usually the only electrons used in blank. T have the first one as chemical properties, whats the second blank chemical properties would work for the first blank ... 
mat115
Please help me with this math question. I am asked to show my work but I don't know how to solve the problem to show my work. The question is: Choose the correct list of factors of the number 8. Again, I have to show my work with this question. Please help thank you. 
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 ... 
please check my answer
please check my answer thanks :) four chairs at $22.00 each 1 table for $212 and umbrella for $85 What is the total of this bill if the sales tax is 6% $22 x 4  88 212 + 85  385 x 0.6 %  
please check my answer
please check my answer thanks :) four chairs at $22.00 each 1 table for $212 and umbrella for $85 What is the total of this bill if the sales tax is 6% $22 x 4  88 212 + 85  385 x 0.6 %  
Science
where is a thermostat used where is a thermocouple used How does an outdoor thermomter work? How does a clinical thermometer work? How does a themostat work? How does a thermocouple work? If anyone knows the answer, please help! Thanks! ~Slappy~ 
trig
Solve for x please? x/x+3  1/x+2 = x/2x+4 
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... 
Language Art (Please Check)
please check 6.which of the following is a runon sentence? A.terri had a hard time continuing the tour she was so tired from the day's events.(I PICK A) B.som students decided to rest,so they returned to their hotel. C.washington is a great place to visit because there are so... 
LA  2 questions
Which of the following is the most useful question to ask when analyzing causes and effects in a literary work? How are these two events related? What is the central theme of the work? What happens to the main characters? How will the readers most likely respond to the work? ... 
Math(Please check my work.)
(2x3)(x^2+5x3)=2x+10x^215x+9 *Is this correct.? this is a different problem... Here's how this one works out: ......x^2 + 5x  3 ............2x  3 ================== ...... 3x^2  15x + 9 2x^3 + 10x^2  6x ====================== 2x^3 + 7x^2  21x + 9 I hope this will help. 
Algebra
Can someone check my work please? Write using positive exponents, and simplify if possible. 1. (–3x)^–2 answer: 1/9x^2 2. Multiply. Write the answer in scientific notation. 
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 
English
please check my answer thanks :) What is this sentence missing and where ? One day my dad and his brother stop me if you've heard this story started on what they thought would be an uneventful drive to work. I thinks it's missing commas 
trig
What is the range of the trig function sin(3x+3)? 
Trig
Trig Identity. 1sin^2x/1cosx 
trig
write 2+2 squareroot of 3i in trig form. 
math
2. Simplify. Please be sure to show all of your work. 3(9) – 5 – 3 3. Simplify. Please show all of your work 9c^3+7c(3c^312+c) 4. Solve 4x 3(5x8) =239(x+2) . Please show all of your work 5. Solve the following equation for z. Please show all of your work. x=1/25(... 
Art Check Answers Please
1. This is where an interior designer does most of her work. in a factory at the client's home in an office <<<<<<<<< in a studio 2. When looking at fabrics, an interior designer will focus on these characteristics. shape and form space and color ... 
Please check history
Please check! What was the effect of the depression of the 1890s on South Carolina? a. Gold was discovered in Alaska. b. Many banks failed and railroads went bankrupt. c. Paper money was no longer backed by gold.*** d. Inflation caused farmers to run large debts. 
Trig
2cos^2BetaCosbeta=0 (find all solutions for the equation in the interval 0, 2 pi). I have no idea how to go about doing this. Do you isolate the beta on one side? Would you be able to show me how and I'll solve for you to check? 
trig
A pole is braced by two wires that extended from the top of the pole to the ground. The lengths of the wires are 16 feet and 18 feet and the measure of the angle between the wires is 110 degrees. Find, to the nearest foot, the distance between the points at which the wires are... 
algebra 2
There are twenty songs from which a disc jockey can chose five to play on her program. How many different arrangements of songs are possible for the program? Please check my work 20x19x18x17x16 
English
Could you check these sentences, please? Thank you for helping me! 1) Here is the translation I did on the presentation of the school as received (in Italian) from..... I'm attaching it to this email together with the things he still has to complete. 2) He is going to work on ... 
Physics Please check my answer
How much work is done by the centripetal force (in this case, the friction between the tires and the road) on a 1200 kg car moving on a circular track of radius 50 meters at a constant speed of 31.4 m/s? A. 7.4 • 10^6 J B. 19.7 J < C. 2136.7 J D. 117,600 J E. 0 J 
AlgebraCan you please check this Reiny
Can you check this: x^3y^2/x^2y^4 I think the answer is y^6/x^5 Thanks for explaining the other problem 
business
can you please check my answers to the questions i realy need to check them if they right or wrong 
Algebra/Trig Check Answers please
Can you please check these answers thanks 1. A ladder 14 feet long is leaning against a house. The foot of the ladder is 4.8 feet from the house. Find the angle of elevation of the ladder and the height it reaches on the house. Answer: 13.2=height 18.9 =angle of elevation 2. ... 
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 ... 
Algebra/Trig Check Answers please
Please check these answers thanks. 1. The shadow of a vertical pole is 24.8 feet long when the angle of elevation of the sun is 42degrees 0.0'. Find the height of the pole. Answer: 22.3=height 2. From a point on a lighthouse 108 feet above water, the angle of depression of a ... 
trig!!
sin^4 x (cos^2 x)=(1/16)(1cos 2x)(1cos4x) work one 1 side only! 
MATH PLEASE SHOW WORK
Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you SHOW WORK SO I UNDERSTAND HOW TO DO IT THANK YOU 
Health
Please check 1. Which is a common viral disease? A. strep throat B. lyme *** C. tuberculosis D. common cold 2. which statement is about the flu? A. there is no cure B. there is usually a fever *** C. It typically lasts 37 days D. it spread by contact with infected people or ... 
Math please check answer
Please check my answer thanks :) Add the following and reduce answer to lowest terms. 1/3 +5/6 + and 3/8  1/3 = 8/24 5/6 = 20/24 5/6 = 9/24  37/24 = 1 13/24 
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. 
precal/trig
PlEASE help me with this!! I need it as soon as possible....... cos(x(pi/4))+sin(x(pi/4))=1 Find the answer from 0 to 2pi. When I slove this, I got cosx+sinx=(1/ square root of 2). then I don't know what to do the rest. Please help me. 
AlgebraPlease check
5  sqrt of 20x + 4 >= 3 5 20x + 4 >= 3 54  20x >= 3 1  20x >= 31 20x >= 4 x<= 15 Possible answers are x<=3 1/5 <= x<= 3 x >= 1/5 x >= 0 I think it is 1/5<=x<=3 because both solutions work 
trig
I'm confused with this concept: Okay, so I have this problem: cos2x( 2 cos+1)= 0 I understand I have to work the problems separately and I get cos x= 2 and cos x= 1/2 Now, what I don't understand is how this connects to pi, radians or the unit circle. If someone could explain ... 
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...