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September 23, 2014

Search: maths (trigonometry)

Number of results: 7,252

maths, trigonometry
if tanx = 3 find x (3sf) - 8
May 6, 2012 by Ebz

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
June 18, 2010 by anonymous

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

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 ...
October 16, 2011 by forest

maths (trigonometry)
how can we calculwte the value of Cot 70 degree+4 cos 70 degree
June 9, 2011 by marley

maths (trigonometry)
how can we calculate the value of Sec50 degree+tan 50 degree
June 9, 2011 by marley

maths (trigonometry)
if sec x +tan x=p, then tan xeuqalto what. How?
June 8, 2011 by marley

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

maths (trigonometry)
what is the identity of A raise to 4+b raise to 4
June 8, 2011 by marley

plane and spherical trigonometry
trigonometry in oblique triangles
August 3, 2014 by keicer

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.
May 5, 2011 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
June 6, 2011 by marley

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.
July 28, 2012 by L

maths(trigonometry)
prove that sinA-cosA+1/sinA+cosA-1=1/secA-tanA
May 16, 2008 by meenal

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

maths trigonometry
if cottheta=7/8 then what is the value of 1+costheta/1-sintheta*1-costheta/1+sintheta.
June 20, 2014 by vignesh

maths
prove that sin sqared pie/6+ cos sqared pie/3-tansqare pie/4=1/2 in trigonometry
May 21, 2014 by asd

maths (trigonometry)
1+sin a- cos a/1+sin a +cos a eual to ?. How?
June 8, 2011 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
July 21, 2011 by chinnu

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?
September 1, 2013 by Shane

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

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

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 ...
October 26, 2013 by khanyisa maringa

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.
June 9, 2011 by MATH...............

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?
August 29, 2013 by Anonymous

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
June 6, 2011 by akshar

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 ...
May 3, 2009 by y912f

maths a
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. ...
September 11, 2014 by jay

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.
May 24, 2012 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.
May 24, 2012 by Anna

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.
July 10, 2007 by hugh

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 ...
March 31, 2009 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"
February 20, 2011 by anon

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

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...
June 10, 2007 by Linda

Math (trigonometry)
Trigonometry identities are so hard... I need some help proving these identities: *Oh, and I'm only in grade 11, so the identities we use are quotient identity and Pythagorean identity. sinx/(sinx + cosx) = tanx/(1 + tanx) cos^2x - sin^2x = 2cos^2x - 1 Thanks! Lucy
April 13, 2008 by Lucy

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
July 21, 2011 by chinnu

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 ...
March 3, 2012 by Jack

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.
February 26, 2009 by Jessica

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 ...
June 14, 2006 by devendri

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
March 9, 2013 by Will

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 ...
October 27, 2010 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 ...
October 27, 2010 by hhhh

Trigonometry
I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...
March 7, 2011 by anon

Maths
Hey :) I'm sitting my maths non-calculator GCSE tomorrow and am currently revising. I'm doing a practise paper and am currently stuck on this question: Express A in terms of w. 3w + 20 A -------- = -------- 200 A + 12 -- What does the question mean? -- Can you explain to me ...
May 17, 2009 by Sarah

maths (trigonometry)
calculate the following: 1)sin 50 degree-sin 70 degree+sin 10deg. 2)cos square 48 deg.- sin square 12 deg. 3)tan 20 deg.+tan 40 deg.+root 3 tan 20 tan 40 Plz. Solve these
June 8, 2011 by marley

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
March 27, 2012 by kayode

Maths
Hi Can someone give me a help in finding maths quiz websites for Ket Stage 3
April 21, 2007 by Fahad

maths
pplz tell me about maths working modals froom where can i down load then????
January 22, 2009 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.
January 23, 2011 by Alberta

MATHS
A store clerk sold 25 maths books and 10 english books for $855.00 .if she sold 10 maths books and 40 English books, she would have got $135 more. calculate the cost of each book.
February 9, 2010 by JERMAINE

MATHS
ms.sue can you practice me in maths for s.e.a like give me sites to do test then you will correct when i post the answers
March 17, 2013 by fred

REGARDING MATHS
how to get the top rank in various maths olympiads...?
May 26, 2011 by ???????

maths
can any one tell me wat are the topics for class 10th maths project for the year 2010-2011.
May 15, 2010 by prateek nayak

history,geography,life science,maths or maths lit
can i be a social worker while am those subject
December 5, 2013 by kamva

maths
How to prepare a working model in maths for standard IV?
May 1, 2008 by pawan

maths
what are the applications of maths in our daily life
May 20, 2013 by Gagandeep

maths geometry
Find and write down a proof that the product of the gradients of two perpendicular lines is -1 Use trigonometry. Let the slope of a line from A to B be m1. Let the slope of a perpendicular line from A to C be m2. The tangent (or slope) of the line between these two lines is: ...
February 25, 2007 by jigna

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

maths
which is valuable abacus or vedic maths?
December 16, 2012 by Anamika

MATHS
if a student scores 58 in a maths exam predict the score they would get in science??? Have no idea where to start on this answer other than having a good guess!! Can anyone help please??? Thanks Andrew
July 19, 2010 by ANDREW

maths
In a maths test a student score 75 out of 100 marks.Express his marks as a decimal
December 8, 2011 by wizguysaturday

Accounting,business studies,economics and maths literacy
What career to follow wth maths literacy
January 22, 2014 by Bongiwe

Exams help
Hello I am a Grade 11 student , I am willing to resit my maths exam this November , but I have to take my account that my IGCSE's are this year , my mocks will be in January and my real resit exams will be at the beginning of November , which is just a month ahead Should I ...
October 4, 2008 by Amy

English
Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.
April 24, 2012 by Mike1

maths
As a foundation teacher how can you make maths sansetive to all foundation phase learners
March 18, 2010 by Thandokazi

presentation-maths
I have to do a presentation on maths. It is on time but I can't think of many mathmatical links.
May 14, 2009 by Anonymous

math
any shape with 4 lines of symmetry and rotational order 2. A rectangle would fit that description. See http://www.icteachers.co.uk/children/sats/rotational.htm#Maths I hope this helps. Thanks for asking. i need some help on my maths and i am inbarresed to ask my teacher
September 17, 2006 by george

trigonometry
sinxcosx=0,x=?
October 9, 2007 by raygene

Trigonometry
What is the arcsin of (pi/2)?
November 8, 2009 by Anonymous

trigonometry
what is sin 35=x/6
October 17, 2010 by aundrea

Trigonometry
sin x= -1
May 30, 2011 by Abigail

Trigonometry
Find m < D if d=10, e=8 and m< E= 43
June 4, 2011 by MIke A

Trigonometry
expand ( 5d-1) 4
June 4, 2011 by MIke A

Trigonometry
v=2(ab+bc+ca), solve for a
July 8, 2011 by Kali

Trigonometry
Simplify i^45. A. 1 B. i C. 1 D. i
August 2, 2012 by Anonymous

Trigonometry
If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?
March 10, 2013 by John

Trigonometry
n-1/n divided by 1+1/n
October 19, 2013 by Cait

Trigonometry
if cot 2x = 5/12 with 0<=2x<=pi
November 28, 2013 by David

statistics
in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how many student fail in all...
October 5, 2011 by kenneth

10th
i am just abt to finish my 10th grade,i am very weak at maths and science,hence i have opted to take economics. 1.is this the right choice? 2.is there goin to be maths in it? 3.what are the core subjects involved?
February 23, 2011 by sam

math
what does trigonometry mean?
March 3, 2008 by shelbie

math
what does trigonometry mean?
March 3, 2008 by lizbet

Trigonometry
cos2x(2cosx+1)=0 x=?
November 17, 2008 by Rob

Trigonometry
What is the cosecant of the arccot of 3?
November 9, 2009 by Anonymous

Trigonometry
Factor 1-sin^3x
February 17, 2010 by Sandra

Trigonometry
sin (4x) = .5 what are the 4 solutions? How did you get them?
June 9, 2010 by bob

Trigonometry
Explain why {y||y| 1} is the same as [-1,1].
September 16, 2010 by Pauline

Trigonometry
What does SOHCAHTOA mean?
September 27, 2010 by Michael Stewart

trigonometry
2 cos^2=1 [0, 2pi)
October 30, 2010 by tina

Advance algebra and trigonometry
2x-y=-6 8x-4y=-24
November 11, 2010 by Tj

Trigonometry
How do you solve the equation -3x^2 + 3 = 0
November 16, 2010 by Elizabeth

trigonometry
solve: 2cosx-1=0
December 15, 2010 by ash

trigonometry
sinA= 3/5 and C=17 Finding a and b
January 12, 2011 by anon

Trigonometry
cos(54-X)=sin2X
April 7, 2011 by Michelle

Trigonometry
(1+ tan^2x)/(secx)
May 30, 2011 by Abigail

Trigonometry
tan^2(x)=-3/2sec(x)
December 11, 2011 by Blair

Trigonometry
what is the frequency of y=tan(Pi/3 x)?
July 27, 2012 by Cyndy

Trigonometry Help
4 tan x - 12 cot x = 0
November 18, 2012 by Anonymous

Trigonometry
what is the trigonometric form of z=1+i?
December 1, 2012 by Josh G.

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