Friday

September 30, 2016
Number of results: 10,833

**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*

**plane and spherical trigonometry**

trigonometry in oblique triangles

*August 3, 2014 by keicer*

**maths (trigonometry)**

what is the identity of A raise to 4+b raise to 4

*June 8, 2011 by marley*

**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*

**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)**

if cosx-sinx=root 2 sinx, then what is the value of cosx+sinx. How

*June 8, 2011 by marley*

**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...............*

**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*

**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*

**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*

**Trigonometry**

a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry

*November 21, 2015 by Ara Jane *

**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*

**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*

**business studies n maths lit n accounting n geo**

Do I need pure maths in These subjects or is maths lite fine to get me to the point of being a entreprenuer in my life

*January 21, 2015 by bafana matseke*

**maths**

suresh scored 15 mareks more than ramesh in maths.if the sum of their marks in maths is 275.write the statement in linear equation in two variables

*January 25, 2016 by stefan *

**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*

**Trigonometry**

PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not just the answer. ...

*March 30, 2016 by Becca*

**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*

**MATHS TRIGONOMETRY**

if 3sin theta =2 and cos greater than 0,with the aid of a diagram determine the value of: a) tan theta b) sin theta/cos theta c) sin^2 theta + cos^2 theta

*May 23, 2016 by LERATO VINJWA*

**Maths trigonometry**

Find the acute angles A and B satisfying secAcotB-secA-2cotB+2=0 Ans : secAcotB-secA-2cotB+2=0 2cotB-secAcotB+secA=2

*January 7, 2015 by Aarti*

**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*

**trigonometry**

y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

*November 18, 2015 by khloe*

**Maths - Trigonometry**

The eaves of a roof sloping at 23° overhand the walls, the edge of the roof being 75 cm from the top of the wall. The top of the wall is 5.4 meters above the ground. What is the height above the ground of the edge of the roof, to the nearest centimeter?

*May 13, 2015 by Emily*

**Trigonometry **

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

*November 3, 2014 by Bailey*

**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**

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**

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**

A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and physics? B) how many ...

*January 28, 2015 by deepthi*

**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 (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*

**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*

**maths (trigonometry)**

The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively, find the height of ...

*December 11, 2015 by keya*

**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**

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**

Score of Janet in Maths is 25 more than two-third of her score in English. If she scores x marks in English, what is her score in Maths ?

*November 29, 2015 by rohit*

**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**

can anyone help me ,how i can find maths higher past paper of 4 November 2015 by Mr barton?

*March 16, 2016 by maryam*

**maths**

useful websites for maths that are free.by the way im doing gsce soon

*March 5, 2016 by help*

**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*

**pure maths,accounting,economics,business studies**

Guys my problem is maths solve x and graphs

*April 19, 2016 by xola sentile*

**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*

**economics maths lit business and tourism**

Does economists career allow those who did pure maths only?

*May 9, 2015 by Khutso*

**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**

In a class of 50 students,24 students have taken maths,16 have taken maths but not geography.Find the students who have taken geography but not maths,if all the subjects have taken at least one of the subject

*July 17, 2016 by Rishab*

**mathematical literacy**

Are there available degrees relating to comerce, that can be done with Maths Lit, and not Maths. Preferably at a good institute like uct, uj, ukzn, etc.

*January 12, 2015 by vladimir*

**Maths lit**

Would I be able to do Safety management caurse with this subject Life sciences,Agriculture,Geography,Maths literacy and English

*January 8, 2016 by Sydwell*

**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**

Maths Qus 1solve 2x+5=15 find x

*November 14, 2015 by Hamza ibrahim*

**Maths-equation**

(x+y)+(y+z)=5(x+y)(y+z) (x+z)+(y+z)=7(x+z)(y+z) (x+y)+(x+z)=6(z+x)(x+y) plz can at least see the working and learn am studying maths on my own sir steve told me that x=5/24 y=7/24 z=1/24 but i don,t know how he got my paper is almst finish with that work

*April 14, 2016 by philip!!!*

**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*

**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*

**Math **

in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed

*June 8, 2016 by Dp*

**Math **

in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed

*June 8, 2016 by Anonymous*

**Maths**

Hi there, I'm currently stuck on a maths question. Find the limit as x approaches 0 for (1+sinx)^cotx I've put logs on both sides and am attempting to use hopitals rule but don't know where to proceed from here.

*October 19, 2014 by Ss*

**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*