Hi all, This is Madhura... WISH U MATHLETES A HAPPY NEW YEAR!!! -- Our scientific power has overrun our spiritual power.We have guided missiles and misguided...
Hi! Happy New Year everyone, can anyone please help me answer these questions. thanks 1) calculate the following exactly, no calculators a) tan (22.5degree) 2)...
... these ... Use the old equation: tan 2x = 2tanx / (1-tan²x) Let x = 22.5 We seek a = tan 22.5 Substitute into the above: 1 = 2a / (1-a²) a² + 2a + 1 = 2 ...
... This one is interesting and can be solved geometrically by constructing the unit circle with first quadrant OAB. Bisect the right angle at O to point C on...
... Actually it is more than likely (1-cosx)/sinx = tan(x/2) = sqrt(1-cosx)/sqrt(1+cosx) = sinx/(1+cosx) Some more substitution from sinx = sin(x/2)*cos(x/2) ...
I would like to learn those silly mnemonic sentences used to remember the order of algebraic operations, one that starts with My dear aunt sally.... ESL so I...
... of ... Presumably D is on AC. <ACB appears to be 80° (that is, the triangle is isosceles). I will just try to show that <ACB = 80° is consistent with the...
In a message dated 2005-01-10 7:35:38 AM Eastern Standard Time, ... Hmmm, I've never heard of a mnemonic for that. I just learned it straight. stevo [Non-text...
... I've got it! It's the letters of the alphabet from K through Y, but in reverse order. Regards Clooneman 2000 P.S. And there's a space between each letter....
Original posts are below mine. . . . I have issues with the use of PEMDAS because too many students learn the sentence, "Please excuse my dear Aunt Sally" but...
Thank you very much for your post, and you have raised some very valid points. Pendas might be atart for me. I teach remedial adult students. Some of them...
Hi, I don't know if it is true but I heard this one was the Microsoft test for employment. I have paraphrased the origional. A 4-member rock band was headed in...
17 min In general: slowest time + fastest time + 3 x second fastest time. I look forward to the clever answers to the bonus question. ... test for ... concert...
Drummer: fast arms from playing drums. Guitarist: very nimble also worth the arms, particularly if he plays a lot arched back with knees bent. In this way he...
I'm not sure if I've understood this correctly, but: The boat can only carry two people. On the first trip, the drummer rows whilst the violinist looks for ...
... <hillcino368@h...> ... cross ... Here's one solution: Guitar & Drummer cross - 2 min Drummer returns - 1 min Base and Violinist cross - 10 min Guitarist...
In a message dated 2005-01-12 8:24:02 AM Eastern Standard Time, ... I've always said that you have to know the answer before you can use a calculator or...
In a message dated 2005-01-12 8:24:02 AM Eastern Standard Time, ... Is the gaping hole too wide for the SUV to drive right over it? stevo [Non-text portions of...
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