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If tan^2 y cosec^2 x – 1 = tan^2 y, then...

If `tan^2 y cosec^2 x – 1 = tan^2 y`, then which one of the following is correct ?

A

S is a one-one function from A into B

B

S is a many one function from A into B

C

S is a bijective mapping form A into B

D

S is not a function

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The correct Answer is:
D
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PUNEET DOGRA-FUNCTIONS-PREV YEAR QUESTIONS
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  6. The domain of f(x) = (1)/(sqrt(x - 3)) is :

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  8. Suppose f: R rarr R is defined by f(x) = (x^(2))/(1+x^(2)) is the r...

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  9. The function f:RrarrR defined by f(x)=(x-1)(x-2)(x-3) is :

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  10. If f(x) is an even function of x and g(x) is an odd function then whic...

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  11. The domain of the function f(x)=(|x+3|)/(x+3) is

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  12. If 196 x^(4)=x^(6) , then x^(3) is equal to which one of the followi...

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  13. v34

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  14. What is the range of the function f(x)=(|x|)/(x), x ne 0?

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  15. Let f(x)=sec^(-1)[1+cos^(2)x], where [.] denotes the greatest integer ...

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  16. If f(x) =(4x+x^(4))/(1+4x^(3)) and g(x) = In (1+x)/(1-x) t then what...

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  17. If f(x) = (x)/(x-1) then what is f ( a)/(f(a+1)) equal to:

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