Book
Maths Puzzle
if sinx/x = 599/600, then find x in radian?
Read Solution (Total 1)
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- As sin (x)/x is nearly equal to 1
so sin x =x
so we can use sin x = x-x^3/3!+x^5/5!-...
here we can take only first two terms as x is small
so sin (x)/x = (x-x^3/3!)/x = 1-x^2/6
1-x^2/6 = 599/600
solving we get x=.1 and x=-.1 radian
- 11 years agoHelpfull: Yes(1) No(0)
Book Other Question
let p be a prime number greater than 60.when p is divided by 60,the remainder is r.find the possible values of r?
To obtain an FHA mortgage for $50,000 or more, the home buyer must have a down payment equal to 4 percent of the first $25,000 of the mortgage amount and 5 percent of the portion in excess of $25,000. At settlement the buyer pay a mortgage insurance premium equal to 3 percent of the mortgage amount. What is the maximum FHA mortgage, if any a buyer can obtain if the buyer has only $6,000 available for the down payment and insurance premium?
(A) $62,500
(B) $71,875
(C) $78,125
(D) $125,00
(E) The home buyer cannot obtain an FHA mortgage