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# Mathematics and computing assignment help

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### Mathematics and computing assignment help

1. 1. Mathematics, computing assignment helpMyassignmenthelp.net
2. 2. Basic knowledge Natural numbers: numbers starting from 1 are natural numbers. 1,2,3,4, ……………… Whole numbers: numbers starting from 0 are whole numbers. 0,1,2,3,4, ……………………. Integers: whole numbers + negative numbers are integers. …………..,-2,-1,0,1,2,…………… Rational numbers: numbers that can be expressed in the form of p/q where q≠0Myassignmenthelp.net
3. 3. Sets  Sets is a well defined collection of objects.  SUBSETS: a Set A is said to be subset of a set B if every element of A is also an element of B. A B A=BMyassignmenthelp.net
4. 4. OPERATIONS ON SETS  UNION: The union of A and B is the set which consist of all the elements of A and B AUB -A A u B= A +B intersection BMyassignmenthelp.net
5. 5.  INTERSECTION: It is the set of all the elements which are common to both A and B NO INTERSECTIONMyassignmenthelp.net
6. 6. TRIGONOMETRICFUNCTIONSMyassignmenthelp.net
7. 7. Sin functionMyassignmenthelp.net
8. 8. Cos functionMyassignmenthelp.net
9. 9. Tan functionMyassignmenthelp.net
10. 10. Cot functionMyassignmenthelp.net
11. 11. Cosec functionMyassignmenthelp.net
12. 12. Sec functionMyassignmenthelp.net
13. 13. Basic and Pythagorean IdentitiesMyassignmenthelp.net
14. 14. identities 1.sin2(t) + cos2(t) = 1    2.   tan2(t) + 1 = sec2(t)       3. 1 + cot2(t) = csc2(t) 1. sin(–t) = –sin(t)    2.cos(–t) = cos(t)      3.tan(–t) = –tan(t)Myassignmenthelp.net
15. 15. Angle-Sum and -DifferenceIdentitiessin(α + β) = sin(α)cos(β) + cos(α)sin(β)sin(α – β) = sin(α)cos(β) – cos(α)sin(β)cos(α + β) = cos(α)cos(β) – sin(α)sin(β)cos(α – β) = cos(α)cos(β) + sin(α)sin(β)Myassignmenthelp.net
16. 16. Double-Angle Identities  sin(2x) = 2sin(x)cos(x) cos(2x) = cos2(x) – sin2(x) = 1 – 2sin2(x) = 2cos2(x) – 1 Myassignmenthelp.net
17. 17. Sum IdentitiesMyassignmenthelp.net
18. 18. Product IdentitiesMyassignmenthelp.net
19. 19. Geometry  circle: it is set of all points that are equidistant from a fixed point in the plane. centre     equation: (x-j)2 + (y-k)2 = r2Myassignmenthelp.net
20. 20.  Parabola: a parabola is the set of all points in a plane that are equidistant from a fixed line and a fixed point in the plane.Myassignmenthelp.net
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23. 23. ellipse It is the set al all the points in a plane, the sum of whose distance from two fixed points in the plane is constant.Myassignmenthelp.net
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28. 28. For further Info : http://www.assignmenthelp.net +1-617-874-1011 (USA) +44-117-230-1145 (UK) +61-7-5641-0117 (AUS) support@assignmenthelp.net http://www.assignmenthelp.net/rss.xml http://assignmenthelp. net/Assignment_Help_Podcasts/Poderator.xmlMyassignmenthelp.net