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What is the principal value of tan^-1 (t...

What is the principal value of `tan^-1 (tan((2pi)/4)`?

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SHARAM PUBLICATION-MODEL QUESTION PAPER-5-EXERCISE
  1. For the binary operation a ** b = 3a + 2b for a, b in Z test whether i...

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  2. What is the principal value of tan^-1 (tan((2pi)/4)?

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  3. If Aalpha = [(cos alpha, sin alpha),(-sin alpha, cos alpha)], then wha...

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  4. If omega is a complex cube root of 1,then for what value of. lamda the...

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  5. Write interval in which the function f(x) = sin^-1(3-x) is differentia...

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  6. Write the anti derivative of 2^x + x ?

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  7. Form the differential equation from y= a cosec x by elliminating the a...

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  8. If f(x) = sqrtx and g (x) = x/4 then what is (g of) (x).?

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  9. Write the angle between veca and vecb with magnitude sqrt5 and 2 respe...

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  10. Write the distance of the plane 3x-4y + 12z = 3 from the origin.

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  11. Find the least positive integer r such that 185 in [r]7

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  12. If f:R to R is the function defined by f(x)=4x^(3) +7, then show that ...

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  13. if ** is the binary operation on N given by a**b= L. C. M of a and b. ...

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  14. Show that 2 tan^-1(1/4) + 2 tan^-1 (2/9) = tan^-1(4/3).

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  15. Prove that |{:(1+a,1,1),(1,1+b,1),(1,1,1+c):}|=abc(1+1/a+1/b+1/c)or(ab...

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  16. Prove that |(1, a, a^3),(1, b, b^3),(1, c, c^3)|= (a-b)(b-c)(c-a)(a+b+...

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  17. If A = [(-1, 3, 5),(1, -3, -5),(-1, 3, 5)] then show that A^2 = 9A

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  18. If [(x+y, x-2),(2x-y,0)] = [(2,2),(1,0)] then find the values of x,y?

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  19. Show that (a+1) is a factor of abs([(a+1),2,3],[1,a+1,3],[3,-6,a+1])

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  20. Find the value of a such that the function f defined by f(x)={((sinax...

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