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April 18, 2014

Search: maths (trigonometry)

Number of results: 14,625

maths trigonometry
cos^A -?
Thursday, July 21, 2011 at 2:52pm by Anonymous

maths (trigonometry)
45&15
Monday, June 6, 2011 at 11:28am by Mgraph

maths (trigonometry)
(A^(4+b))^4 = A^(16+4B).
Wednesday, June 8, 2011 at 12:00pm by Henry

maths (trigonometry)
= Greek letter Alpha
Monday, June 6, 2011 at 11:53pm by Anonymous

maths, trigonometry
if tanx = 3 find x (3sf) - 8
Sunday, May 6, 2012 at 11:50am by Ebz

Maths (Trigonometry)
what is your question about this assignment?
Thursday, May 31, 2012 at 3:50am by bobpursley

maths - trigonometry
I have my maths exam on Tuesday and cannot remember how to do trigonometric identities at all. I was so sure, but now I'm not. I asked a similar question earlier, but I still don't quite understand. Please give me step-by-step instructions? [sinx + tanx] / [cosx +1] = tanx
Friday, June 18, 2010 at 10:40pm by anonymous

maths (trigonometry)
just find 5cos 70
Thursday, June 9, 2011 at 1:17am by Reiny

maths, trigonometry
tanx = 3 X = 71.57 Deg.
Sunday, May 6, 2012 at 11:50am by Henry

maths
calculate the size of the angle or side marked on each of these diagrams
Sunday, February 24, 2008 at 2:26pm by trigonometry

maths (trigonometry)
oops, read the first as cos I would just use my calculator
Thursday, June 9, 2011 at 1:17am by Reiny

Reposted: Maths - Trig
Here you will find a proof of that trigonometric identity: http://library.thinkquest.org/C0110248/trigonometry/formsine.htm
Sunday, December 2, 2007 at 6:12pm by drwls

maths - trigonometry
Wow that was a tough one... It took me so long to figure out, even with your help! Thanks Reiny! :)
Saturday, June 19, 2010 at 11:56am by anonymous

Maths trigonometry
using basic trigonometry derive the following equations, which are used to convert cartesian to polar coordinates and vice versa. why is the cos(phi)in the x term? x = R cos (phi) sin (lamda) y = R sin (phi) they are used in orthogonal projection of a spherical surface to a ...
Sunday, October 16, 2011 at 11:32am by forest

Maths (Trigonometry)
question 2. If you did this on graph paper you have the coordinates of the two points, use the distance formula.
Thursday, May 31, 2012 at 3:50am by bobpursley

math
go to google and type degree for right triangle trigonometry.and click on the second option which is:Trigonometry of rigth triangle. Topics in trigonometry. you will get ur answer. sorry couldnt paste the whole thing here hope i could help u.:)
Tuesday, February 10, 2009 at 4:10pm by vero

maths trigonometry
if theta = 45, the value of cosec ^ 2 theta is ?
Tuesday, July 19, 2011 at 2:10pm by chinnu

maths (trigonometry)
how can we calculate the value of Sec50 degree+tan 50 degree
Thursday, June 9, 2011 at 1:19am by marley

maths (trigonometry)
sec50 + tan50 = 1/cos50 + tan50 = 1.557 + 1.19 = 2.74.
Thursday, June 9, 2011 at 1:19am by Henry

Trigonometry
Well, i tried to see the beauty in trigonometry but to me, it is just too HARD!!!!!!!! There r so many formulae in trigonometry and how to i know which one to use. After i stay in the desk for 15 mins, i just wanna throw this stupid book away. I cant gain anything even i try ...
Saturday, July 19, 2008 at 1:03am by Tommy

maths (trigonometry)
if sec x +tan x=p, then tan xeuqalto what. How?
Wednesday, June 8, 2011 at 11:54am by marley

maths (trigonometry)
I would use a calculator set to radians , (since you did not declare it in degrees, we assume radians)
Thursday, June 9, 2011 at 1:21am by Reiny

maths (trigonometry)
what is the identity of A raise to 4+b raise to 4
Wednesday, June 8, 2011 at 12:00pm by marley

Maths Trigonometry
Solve the following equation for 0<x<2Pi: (answer has to be in radians) sec (x + [pi/10]) =-5
Sunday, December 23, 2007 at 4:45am by Claire

Maths trigonometry
wikipedia has a nice article explaining this projection. Your example uses an origin of (0,0) for the projection, reducing the complexity of the equations considerably.
Sunday, October 16, 2011 at 11:32am by Steve

trigonometry
This is not a trigonometry question. x^2 + 7x + (7/2)^2 = 11 + (7/2)^2 (x + 7/2)^2 = 23 1/4 x = -7/2 +/- sqrt(93)/2
Thursday, November 12, 2009 at 10:15pm by drwls

Trigonometry
Just expand it ... 8x^3 - 6x^4 - 5x^2 + 10x all done! Why are you calling this trigonometry?
Sunday, December 26, 2010 at 5:55pm by Reiny

Trigonometry question?
Thanks a lot, sorry I am not too good at trigonometry
Thursday, March 28, 2013 at 8:25am by Knights

trig
this is trigonometry.. its the class i'm taking and my book is called, functions, statistics, and trigonometry. scott, foresman.
Wednesday, November 12, 2008 at 11:12pm by jerson

Maths-Trigonometry
a kite is attached to a string that is 15m long. If the string makes an angle of 26 degrees to the horizontal the height of the kite is.
Saturday, July 28, 2012 at 8:49pm by L

maths (trigonometry)
how can we calculwte the value of Cot 70 degree+4 cos 70 degree
Thursday, June 9, 2011 at 1:17am by marley

maths(trigonometry)
prove that sinA-cosA+1/sinA+cosA-1=1/secA-tanA
Friday, May 16, 2008 at 11:40am by meenal

Trigonometry
By the way, this is not trigonometry. It is algebra.
Wednesday, August 12, 2009 at 8:48pm by drwls

Trigonometry
The question is not about trigonometry.
Sunday, December 26, 2010 at 5:55pm by drwls

maths
Trigonometry query. ABC is a rightangled triangle. AD is the bisector of angle BAC. Angle DAC = 15 degrees. X = CD. find X. I know the answer is 7.1 but cannot work out the theory. Could you please help? Thankyou.
Thursday, May 5, 2011 at 4:51pm by jane

maths (trigonometry)
please solve these if possible Q1. If sinx +siny=3(cosy-cosx) then the value of sin3x/sin3y. Q2. If sina ,cosa,and tan a are in g.p.then cos cubea+cos square a is equal to
Monday, June 6, 2011 at 11:53pm by marley

Maths-Trigonometry
Draw a rt. triangle: X = Hor. side. Y = Ver. side = Ht. of kite. Z = Hyp. = 15 m. A = 26 Deg. Y = Z*sinA = 15*sin26 = 6.58 m.
Saturday, July 28, 2012 at 8:49pm by Henry

maths (trigonometry)
1+sin a- cos a/1+sin a +cos a eual to ?. How?
Wednesday, June 8, 2011 at 11:56am by marley

maths trigonometry
if sin A + sin^2 A = 1, then the value of cos^A + cos^4 A is (A) 2 (B) 1 (C) -2 (D) 0
Thursday, July 21, 2011 at 2:52pm by chinnu

Trigonometry
Reiny, I interpret "inverse" being inverse trigonometric function, since he is doing a trigonometry course. However, I stand to be corrected!
Thursday, March 3, 2011 at 1:35am by MathMate

trigonometry...........
Prove the following identity:- (i) tan^3x/1+tan^2x + cot^3x/1+cot^2 = 1-2sin^x cos^x/sinx cosx
Saturday, June 11, 2011 at 2:21pm by MATHS

Trigonometry
Why did you title this "trigonometry"?
Saturday, June 4, 2011 at 9:17pm by Reiny

maths (trigonometry)
1. sin50 - sin70 + sin10 = 0.7660 - 0.9397 + 0.1736 = -0.0001. 2. cos^2(48) - sin^2(12) = 0.4477 - 0.0432 = 0.4045. 3. tan20 + tan40 + sqrt(3 )*tan20*tan40 = 0.3640 + 0.8391 + 0.5290 = 1.7321.
Wednesday, June 8, 2011 at 12:10pm by Henry

Trigonometry
I am surprised that you are studying trigonometry and don't know the basic shape of y = sinx Surely your instructor has taught you how to sketch the basic graphs before jumping to technology methods.
Tuesday, April 3, 2012 at 6:25pm by Reiny

UET Peshawar
P[C.S]=270/500 P[Maths]=345/500 P[C.S ∩ Maths]=175/500 ( P[C.S U Maths] )' = ? ANS. ( P[C.S U Maths] )' = 1-P[C.S U Maths] =1-{P[C.S] + P[Maths] - P[C.S ∩ Maths]} =1-{270/500 + 345/500 -175/500 } =1-{440/500} =1-0.88 =0.12
Friday, June 3, 2011 at 2:53pm by Sheraz

maths (trigonometry)
if cosx-sinx=root 2 sinx, then what is the value of cosx+sinx. How
Wednesday, June 8, 2011 at 11:52am by marley

Trigonometry
Use substitution... x^2 + 4x + 4 = 4x + 6 x^2 = 2 x = √2 Why are you calling this trigonometry?
Saturday, November 26, 2011 at 3:24pm by Reiny

maths
Sine and Cosine rule are both used in solving trigonometry problems.Give an example of when the cosine rule is more appliciable than the sine rule?
Sunday, September 1, 2013 at 2:06am by Shane

history
i know an education is important, but i don't think i'll need to know u.s. history, or trigonometry in the future. i plan on doing something in the cooking field as a career, and most people i know who do that didn't really get good grades on their trigonometry classes.
Tuesday, May 26, 2009 at 10:18pm by y912f

Math
Make a complete re search project on maths is interconnected with other subject i.e. Maths Vs computer using art with maths.
Tuesday, June 5, 2012 at 4:01pm by Shivansh Tomar

trigonometry
This is not about trigonometry. x^2 = -121 x = the square root of -121.
Thursday, November 12, 2009 at 10:37pm by drwls

Grammar
Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any rules?
Thursday, August 29, 2013 at 2:16pm by Anonymous

algebra 2 with trigonometry
What is the problem? (6t-4)-(6t2+t-2) = 6t - 4 - 6t^2 - t + 2 = -6t^2 + 5t - 2 Why did you label this algebra2 ? Secondly where does the trigonometry enter the picture?
Thursday, January 5, 2012 at 12:25pm by Reiny

Trigonometry
Do you mean (5d -1)^4 ? Square 5d -1 twice. The first squaring will give you 25d^2 -10d +1 Now square that. There will be more terms next time. This is not trigonometry
Saturday, June 4, 2011 at 9:18pm by drwls

Maths B
Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.
Thursday, May 24, 2012 at 5:49am by Anna

Maths B
Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.
Thursday, May 24, 2012 at 9:02pm by Anna

maths (trigonometry)
sin(alpha-bita)=1/2 and cos(alpha+bita)=1/2, where alpha and bita are positive acute angles then what is the value of alpha and bita
Monday, June 6, 2011 at 11:28am by akshar

maths - trigonometry
I just got done with thi stuff and these are the formulas that helped me with alot. tan(angle)=opposite/adjacent coa(angle)=adjacent/hypotenuse sin(angle)=opposite/hypotenuse Is this what your asking for?
Friday, June 18, 2010 at 10:40pm by Ariel

maths letaracy,history,geography and life science
im going to grade 10 next year,and i want to be a psychologist and im going for maths letaracy and history feild im realy not good with maths and i just found out a few weeks ago that i need pure maths to do psychology.i dont know what to do now ,i also dont know the jobs ...
Saturday, October 26, 2013 at 8:02am by khanyisa maringa

maths
well the only thing about maths is that you get stuck on it which is so annoying well the way i know how to do maths is if your mum or dad has got a calculater then sneak into were they keep it an and use it for your homework or you could just get a nerd to do your maths now ...
Sunday, April 13, 2008 at 4:19pm by permicouas

maths
well the only thing about maths is that you get stuck on it which is so annoying well the way i know how to do maths is if your mum or dad has got a calculater then sneak into were they keep it an and use it for your homework or you could just get a nerd to do your maths now ...
Sunday, April 13, 2008 at 4:19pm by permicouas

trigonometry
What is Trigonometry?
Wednesday, January 30, 2008 at 5:27pm by Beast

maths
i am told to do a project in maths it should involve a maths consept.pls help as to what should i do?
Sunday, November 18, 2007 at 4:43am by chandini

trigonometry
determine the trend of each linear function: 1. f(x)= 3x+5 I don't know what you call the "trend" or why you call this a trigonometry question. It is about algebra. The value of the function increases with x at a rate of three times the change in x.
Tuesday, July 10, 2007 at 12:09am by hugh

Trigonometry
Thanks for the prompt reply. How do these work out? The Odd/Even Identities? sin -x = -sin x cos -x = cox x tan -x = -tanx Why does this work out? Does it apply to certain quadrants or something? Thanks.
Sunday, January 22, 2012 at 11:29pm by Trigonometry

maths (trigonometry)
how can we calculate the value of Cos 10+sin 10/cos 10- sin 10
Thursday, June 9, 2011 at 1:21am by marley

maths trigonometry
sin (60 degrees + theta)-cos(30 degrees - theta)is equal to (A)2 cos theta (B)2 sin theta (C)theta (D)1 could u plz explain this answer thank you
Thursday, July 21, 2011 at 2:39pm by chinnu

Geometry
your Dad is making the connection between the "unit circle" and basic trigonometry. Do a Google search for "unit circle" or "trigonometry and the unit circle" You will get many webpages, here is one that seems to be quite good (Broken Link Removed)
Saturday, August 23, 2008 at 12:06pm by Reiny

write a paragraph
advantage of math math is scienc subject it plays very important role in every subject even every science subject is incomplete without maths these science subject comes after maths maths subject adventure of these subject maths is
Saturday, July 2, 2011 at 5:34pm by Anonymous

High School Courses
How often do state colleges which are moderately competitive require trigonometry? Is trigonometry something like algebra that they expect you to have, or do they usually not care as long as you have the right number of math courses? Would it look better for me to take ...
Tuesday, March 31, 2009 at 4:11pm by Evelyn

trigonometry
okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"
Sunday, February 20, 2011 at 11:30pm by anon

Nautical/Maths
If the dimensions are nautical miles, or miles, then the triangle covers a large fraction of the curved earth, and different equations of spherical trigonometry must be used. If that is the case, ignore my previous answer. The radius of the earth must be used to solve the ...
Friday, January 4, 2008 at 3:49am by drwls

spanish
is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...
Sunday, May 3, 2009 at 6:14pm by y912f

trigonometry
This is not calculus. It is basic trigonometry. The kite is 300 sin 57 above her hand. Add 3 feet to that for the height above the ground. Assume the string is 300 feet long, not the kite itself
Monday, March 8, 2010 at 11:00pm by drwls

Trigonometry
What are these things called: -cos x = cos -x What are the rules to these trig rules? Thanks
Sunday, January 22, 2012 at 11:29pm by Trigonometry

Maths
A school has eleven Year 9 Maths classes of 27 students. Each class has 4 extra students added to it. Find the total number of students studying Year 9 Maths.
Thursday, February 26, 2009 at 1:41am by Jessica

TRIGONOMETRY *(MATHS)
Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x + cot^3x/1+cot^2 = 1-2sin^x cos^x/sinx cosx (ii) (1+cotx+tanx)(sinx-cosx)/sec^3x-cosec^3x = sin^2xcos^2x.
Thursday, June 9, 2011 at 2:48am by MATH...............

Math
In a maths class of 13 students, 2/3 of boys and 1/4 of the girls love maths. How many girls love maths
Tuesday, March 27, 2012 at 10:33am by kayode

Trigonometry
Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...
Sunday, June 10, 2007 at 1:24pm by Linda

**tRiGoNoMeTrY**
A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t-3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at the point of ...
Monday, November 17, 2008 at 10:46pm by *tRiGoNoMeTrY*

Maths B
Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations were 10 and 8 respectively. Determine the subject in which andrew did better
Saturday, March 9, 2013 at 10:56pm by Will

maths(trigonometry)
It is not clear whether the denominator is sin A or (sin A + cos A) or (sin A + cos A -1) on the left side. It is also not clear whether the denominator is sec A or (sec A - tan A) on the right side. Please use parentheses to clarify the meaning of typed equations. Otherwise ...
Friday, May 16, 2008 at 11:40am by drwls

Maths- Trigonometry
4. A,B and C are points on a horizontal plane. A is 75 m from C on a bearing of 210 degrees and the bearing of B from C is 120 degrees. The bearing of B from A is 075 degrees. From A the angle of elevation of the top T of a vertical towel at C is 42 degrees. Find a. the ...
Saturday, March 3, 2012 at 8:10am by Jack

maths
I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math" for short. Calling it "maths" calls attention to ...
Wednesday, June 14, 2006 at 7:23am by devendri

maths (trigonometry)
√2sinx + sinx = cosx sinx(√2+1)= cosx sinx/cosx = 1/(√2+1) tanx = 1/(√2+1) now construct a right-angled triange with sides 1 and √2+1 let the hypotenuse be r r^2 = 1^2 + (√2+1)^2 = 1 + 2 + 2√2 + 1 = 4 + 2√2 r = √(4+2√...
Wednesday, June 8, 2011 at 11:52am by Reiny

statistics
among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...
Wednesday, October 27, 2010 at 12:24am by hhhh

probability
among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...
Wednesday, October 27, 2010 at 12:32am by hhhh

Maths Trigonometry
Let y = x+pi/10 sec is 1/cos 1/cos(y) = -5 so cos y =-0.2 There are two quadrants where cos is negative, the second and the third. Angle y will be pi -inverse cos of +0.2 and pi+inverse cos +.2 inverse cos .2 = 1.37 rad so y = pi +/- 1.37 y = 4.51 or 1.77 now get the two ...
Sunday, December 23, 2007 at 4:45am by Damon

Maths
Yeah I thought it was physics but it's in my maths practice test :S
Saturday, January 31, 2009 at 4:50am by Renee <3

Maths
Could somebody help me with this Maths squence 2N + 2, 3N - 1 , 10N + 6
Thursday, September 27, 2007 at 2:08pm by Robert

maths
How to prepare a working model in maths for standard IV?
Thursday, May 1, 2008 at 7:53am by pawan

Maths
Please show me the way of using formula log?
Friday, October 14, 2011 at 4:50pm by Maths

maths (trigonometry)
Q2)Because sina, cosa, tana - g.p. cos^2(a)=sina*tana=sin^2(a)/cosa cos^2(a)=(1-cos^2(a))/cosa cos^3(a)=1-cos^2(a)
Monday, June 6, 2011 at 11:53pm by Mgraph

Maths
Hi Can someone give me a help in finding maths quiz websites for Ket Stage 3
Saturday, April 21, 2007 at 5:15am by Fahad

maths
i have a lot of maths HW and i dont understand how to Factorise??? Pleasea help me!
Friday, October 26, 2007 at 10:10am by Vicky

maths
pplz tell me about maths working modals froom where can i down load then????
Thursday, January 22, 2009 at 5:54am by pulkit

Maths
What is the best website which has printable free worksheets for grade 7 with the maths topic : decimals? thank you for your help.
Sunday, January 23, 2011 at 5:19am by Alberta

REGARDING MATHS
how to get the top rank in various maths olympiads...?
Thursday, May 26, 2011 at 5:46am by ???????

maths
what are the applications of maths in our daily life
Monday, May 20, 2013 at 1:28am by Gagandeep

Maths
Is given a function: f(x)=x2 + px + q Prove that: f(x+1) + f(x-1)= 2+2 f(x)
Tuesday, August 20, 2013 at 1:48pm by Maths

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