Search results

Could you guys please help me with this question. Please show the full working out and answers 1) A transverse wave has an amplitude of 4cm, frequency of 200Hz and velocity of 24 ms-1. A second wave has the same amplitude and velocity but a frequency of 600Hz. a) Calculate both wavelengths...

Hey could you reply to me about truongs trig exam as soon as possible please!

:lol::pain::shouting:

Hi Could anyone help me with these trig questions Find general solutions? 1. 2 sin^2x + cosx =1 2. 4 +sin a = 6cos^2 a 3. 1 + 2cos^2x= 5sinx 4. tanx =sinx 5. sin2a= tana 6. sin3x =sin2x THanks

Hello I am about to do a year 11 trigonometry exam at truongs in a few weeks time and I was wondering if any of you guys who gone to truongs annd sat for that trig exam have an tips or hints about the exam and what type of questions or specific things i have to study. Please let me know Thanks

Hi Could someone please explain to me how to do these questions Simplify 1. cosec^2a - 1/tan^2a 2. 1/tan^2a + 1-cos^2a/sin^2a 3.cosa+sina/cosa-sina + cosa - sina/cosa+sina 21. If tanA =4 and tanB=3/5 and A and B are acute angles, prove without using tables that A-B=45 22. If tana =4/3 and...

Hello Could anyone please show me how to get rid of the multiples of 90 inside the bracket 1. cos (180 - x) 2. cos (720- x) 3.sin (- x) 4. sin (180 - 2x) 5. tan (180-3x) Thanks

HI Could anyone please explain to me what is a radian and this rule is a cosx + b sinx = r cos(x+a) Could you guys please show me how to use these rules and where to use those rules. Please provide a lot of examples of using both rules please. Thanks

Hello Could someone please help me with these questions and show all working Change the following to positive acute angles(there are 2 answers for each) 1. cos(-30) 2. tan(-50) 3. tan(660) Change the following to their opposite trigonometric ratio with acute angles 1. cot 44 2. tan 216 3. sin...

Hello I just want to ask some questions relating to year 11 and yea 12 standard english. Firstly, how many books do the school forces us to read? Is there a specific book that every school has to read? How many pages do i have to write for an essay. Is there a specific topic /module that...

HI Could someone please help me simplifying these questions because I tried but my answer is wrong. I dont think the answer is wrong though. Please show all the working so I could understand and do similar problems. 1. sinAcos(A - B) + cosA sin(A-B) 2. cos(A+B)cos(A-B) + sin(A+B)sin(A-B) 3...

Simplify 1. sin^4a + sin^4acot^2a 2. cotBcosec^2B-cotB 3. cosec^3A-cosec^3Acos^2A

Hello guys Could anyone of you guys help me with this problem on the unit circle. If given a unit circle how do you sin, cos, tan and cot an given angle on the unit circle. Eg: given tan34 and asked for cot. Could you guys show explain it to me and show me on a diagram. Thanks

Hello guys Could anyone of you guys help me with this problem on the unit circle. If given a unit circle how do you sin, cos, tan and cot an given angle on the unit circle. Could you guys show explain it to me and show me on a diagram. Thanks

Hello I was wondering if anyone has any past exam papers they can upload (topic test, half yearly and yearly exams) for english standard, software design and development and business studies for year 11 preliminary course. Thanks

Hello I was thinking about dropping one of my subjects for pdhpe.I just want to ask a few questions. Firstly are there a lot of practicals than theory, secondly is it exams and theory easy to learn and achieve top marksas in year 7 to 10 and is it a 2 unit subject. Thanks

I need help with everything on the unit circle because I am new to my tutor and I dont know anything about it

Hello I need your help guys. Do any you guys have notes or past exams on the unit circle because apparantly my tutor said it is compulsory to know how to use the unit circle in trig. Please help!!! Thanks

Hello Just asking but does anyone have any past exams or textbooks(pdf files) for english standard and software design and development for year 11 and 12. If so could you please upload them. Thanks

Hey guys, I really need some help for trigonometry. I started tutoring just december last year and we started trigonometry. I missed half the topic. Do you guys have any notes on proving and expanding identities, half angle formula, double angle formula and the unit circle. If so could you guys...