May 6, 2022 · Hi, I am confused about how to handle the double angle formula. For example, sin (19pi/12)= sin (9pi/12+10pi/12) but there can be many other options too. like...

Jun 15, 2015 · Hello. I find this whole topic of compound angle formula really confusing. I've been doing equations like cos(60+x) = sinx using the co function identities so far, yet this one seems …

Apr 21, 2023 · The discussion centers on the method for drawing the curve of intersection between a plane and a cylinder at a compound angle. The user, Bor, seeks guidance on hand …

Apr 22, 2010 · 1. I don't understand coumpound angle formulae, for example sin(x+y), sin(x-y) etc. I'm supposed to solve using angles in the special triangles--so I use angles like 45, 30, 60, …

Nov 3, 2012 · Homework Statement hello i am having trouble with a question here it is use an appropriate compound angle formula to express a a single trig formula than determine an …

Apr 24, 2007 · It's a previous exam question using compound angle forumlas. I've tried everything to try and get the answer involving rearrangments! I know the forumlas i just can't get them to …

Nov 19, 2014 · In then math course I am taking it is giving the example of using compound angle formulas to solve sin(pi/12). The solution in the formula says that it is (pi/3-pi/4). I don't …

Nov 17, 2004 · The empirical formula of the compound C (x)H (y)Cl (z) can be determined using the provided data. From the combustion of 1.324g of the compound, 1.189g of CO2 indicates …

Jul 7, 2003 · The discussion focuses on understanding and applying double-angle formulas in trigonometry, specifically for sine, cosine, and tangent. The formulas provided are: sin (2x) = 2 …

Nov 25, 2008 · Homework Statement Use the appropriate compound angle formula to express the following as a single trigonometric function and then determine the exact valueHomework …