The solution of the differential equation cos x cos y dx +
sin x sin y dy = 0 is
Answer Posted / rajasekar
(1) tan x = c
(2) sec x ? sec y = c
(3) sin x = c cos y
(4) cos x = c sin y
| Is This Answer Correct ? | 27 Yes | 8 No |
Post New Answer View All Answers
Total balls z,red balls N remaining are blak balls,then %of black balls equal to
The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten's place of the original number is equal to twice the difference between its digits. What is the number?
Using the digits 1,5,2,8 four digit numbers are formed and the sum of all possible such numbers.
X and Y are partners in a business. X invests 300 for 12 months and Y invested 600 for 6 months. If they gain a profit of 700 at the end of one year, what is X's share?
A person needs 6 steps to cover a distance of one slab. if he increases his foot length(step length) by 3 inches he needs only 5 steps to cover the slabs length. what is the length of the each slab.
a man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be?
Dinesh is seated 7 from the left and satish is seated 12 from the right. when they interchange their positions, dinesh is seated 22nd from the left. How many people are there?
Numbers of animals is 11 more than the number of birds. If the number of birds were the number of animals and number of animals were the number of birds( ie., interchanging number s of animals and birds.), the total number of legs get reduced by one fifth(1/5). How many no. of birds and animals were there?
A man spending half of his salary for house hold expenses, 1/4th for rent, 1/5th for travel expenses, a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?
A batsman outs for 23 runs in one inning, which increases his average 15 to 16. If he has to get 18 as average, what score is to make by him in the same innings?
any body send me the sample paper for pnb dy.managers,to ravitejareddy.r@gmail.com
hi had any body attended bank of interview plz........ share your experience
Initially two cups of same volume are present with milk filled upto 3/5th and 4/5th of their volumes.Water is then filled. Then two mixtures are mixed. Find the ratio of water to milk in the mixture.
The rectangle box with square base is open at the top. The maximum volume of the box made from 1200 m2 tin,in m3 is?
A farmer has a farm square of 100 sq.m a cow is tied at one and with a rope of 10m length.assume pi-3.what is the area of land the cow can graze.