Circular Functions
The circular functions are functions of an angle. They are important in the study of triangles and modeling periodic phenomena, among many other applications. Trigonometric functions are commonly defined as ratios of two sides of a right trian..
Circular Functions
Theorem ..
Experimental study
The graph shows the variation of stopping potential with frequency in accordance to the above equation. The above experimental study can be summarized as follows: Before that, let us recollect some of the parameters and their symbols. V 0 - Stopping potential u 0 - Threshold potential f -..
Function
Function - We consider two sets A and B. We form the Cartesian Product, we form relations. From all the relations, we can select a few which satisfy the rule that each element of the set A is related to only one element of the set B. When a relation satisfies this rule, it is called a fuc..
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Trigonometric Functions
The circle whose radius is 1 unit whose centre is the origin of a rectangular co-ordinate system is called the unit circle. 1. cos q = x. 2. sin q = y. 3. tan q = y/x. 4. sec q = 1/x. 5. cosec q = 1/y. 6. cot q = x/y. The six functions of q defined by the above equation are..
Relations and Functions
In our daily life, we come across many relations such as father-son, brother-sister, teacher-student and many more. In mathematics too, we come across relations such as . A is a subset of B . line l is parallel to line m . number m is less than number n . In all these, we notice..
Study of Reactions
Laws of Chemical Combination - The study of reactions is one of the important areas of Chemistry. There are many aspects of a reaction like the rate of reaction, energy absorbed or evolved, mechanism of a reaction that can be evaluated only with weight and volume relationships. A stu..
Methods of Study
Methods of Study - The branch of genetics, which deals with the inheritance of characters in human beings, is called human genetics. Eugenics is a branch of human genetics which is concerned with the use of knowledge of genetics for the welfare of the human race. Sir Archibald Garrod, a B..
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