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Decimal representations of some basic angles: As a last quick topic let's note that it will, on occasion, be useful to remember the decimal representations of some basic angles. So following they are,
π/2= 1.5708 π= 3.1416 3π/2 =4.7124 2π = 6.2832
By using these we can rapidly see that cos-1( 3/4)have to be in the first quadrant since 0.7227 is among 0 and 1.5708. It will be of great help while we go to find out the remaining angles
Hence, once again, we can't stress sufficient that calculators are significant tools which can be of tremendous help to us, however it you don't understand how they work you will frequently get the answers to problems wrong.
By pigeonhole principle, show that if any five numbers from 1 to 8 are chosen, then two of them will add upto 9. Answer: Let make four groups of two numbers from 1 to 8 like
If there are (2n+1)terms in an AP ,prove that the ratio of the sum of odd terms and the sum of even terms is (n+1):n Ans: Let a, d be the I term & Cd of the AP. ∴ ak =
Verify Liouville''''s formula for y "-y" - y'''' + y = 0 in (0, 1) ?
limit x APProaches infinity (1+1/x)x=e
i need help trying make a presentation for my teacher
Let {An} be sequence of real numbers. Define a set S by: S={i ? N : for all j > i, ai
how to answer this: 3x2-18x-60
Q. Diffrence between Rational and Irrational Numbers? Ans. A number which is not rational is called irrational. The word "irrational" sounds not quite right...as though th
Making Equally Sized Groups : By the time children reach Class 1 or 2, they would have had many experiences of pairs of objects-pairs of shoes, pairs of eyes, ears, arms, legs, w
3x2 +7x +4
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