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If f(x)=sinx" then " 2f(x).f(90-x)=.... ...

If `f(x)=sinx" then " 2f(x).f(90-x)=.... .`

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The correct Answer is:
`f(2x)`
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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Relations and Functions (Fill in the blanks)
  1. If f(x)=(ax+b)/(a+bx)"then"f(x).f(x).f(1/x)=.... . (where x ne 0)

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  2. If f(x)=(1-x)/(1+x) " then " x=..... .

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  3. If f(x)=sinx" then " 2f(x).f(90-x)=.... .

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  4. The function 't' which maps temperature in degree Celsius into tempera...

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  5. If the order pairs (x+1, y-2) and (3,10) are equal then respective val...

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  6. A and B are non null sets. Any one out of A and B is infinite then A x...

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  7. Axx(BcupC)=....... .

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  8. If (x/3+1,y-2/3)=(5/3,1/3)" then "x+y=....... .

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  9. Set A has three elements and B = {a, b, c,d} then numbers of elements ...

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  10. Let A={1,2} and B={3,4}. Write A xx B. How many subsets will A xx B ha...

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  11. Let A={1,2} and B={3,4}. Find the number of relations from A to B.

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  12. f:R-{0}rarrR,f(x)=(1)/x+px " and "f(1/5)=28/5 then p = …. .

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  13. Let f={(1,1),(2,3),(0,-1),(,-1,-3)} be a linear function from Z into Z...

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  14. Function f:NrarrR,f(x)=sqrtx= then value of f(25)/ ( f(16)+f(1) ) = ...

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  15. If the graph of Y = (x) is symmetric about Y axis then …........

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  16. Value of [2.3] is .......

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  17. Value of [-2.3] is ….....

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  18. Graph of the function f : R rarr R,f(x)=3x+5 is …. .

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  19. f:R rarr R, function f(x) is defined as f(x)= 2x +|x| then f(2x)+f(-x)...

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  20. f:R-{0}rarrR-{0},f(x)=4x^3+3x^2+3x+4" then " x^3 f(1/x)= .......

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