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What is the principal value of `sin^(-1)(sin((2pi)/3))`?

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USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. Give an example of a relation which is symmetric and anti-symmetric.

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  2. What is the value of int0^1sin^2tdt+int0^1cos^2tdt-int0^1dr?

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  3. What is the principal value of sin^(-1)(sin((2pi)/3))?

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  4. What is the value of |[i^(103), 3 ,i^(101)],[i^(56), 5, i^(54)],[i^(23...

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  5. What is the value of hata*hatb+hatb*hatc+hatc*hata if hata+hatb+hatc=v...

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  6. The distance between the parallel planes 2x - 3y + 6z +1 = 0 and 4x - ...

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  7. If is a 3xx3 matrix and absA=7, then which matrix is represented by Ax...

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  8. What is the value of intsin^2xd(sinx)?

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  9. Write the subinterval of (0,pi) in which sin (x+pi/4) is increasing.

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  10. Write whether the equation "tan"^(-1) ("cot"x)=2x has exactly two real...

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  11. Find the feasible solution region of the following: 3x+yge3,x+yge1,xge...

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  12. Prove statement tan ( 2 "tan"^(-1)1/5-pi/4) + 7/17 =0

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  13. Prove that for any f:X rarr Y , f o idx = f =idY of.

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  14. If A=[(2,5),(1,3)], then find A^(-1)

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  15. Evaluate abs[[1,a,bc],[1,b,ca],[1,c,ab]]-abs[[1,a,b^2],[1,b,b^2],[1,c,...

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  16. If [(x+y,y-z),(5-t,7+x)]=[(t-x,z-t),(z-y,x+z+t)], then find the values...

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  17. Express as a sum of a symmetric and a skew symmetric matrix: [[1,2,3],...

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  18. Prove the following : [[1,x,x^2],[x^2,1,x],[x,x^2,1]]=(1-x^3)^2

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  19. Find the intervals where the following functions are (a) increasing an...

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  20. Find (dy)/(dx), if y=tan^(-1)((cosx)/(1+sinx)).

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