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Determine the principal value of cos^-1(...

Determine the principal value of `cos^-1( -1/2).`

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ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
  1. Statement I is True: Statement II is True; Statement II is a correct ...

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  2. : Find the value of cot (tan^-1 α + cot^-1 α).

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  3. Determine the principal value of cos^-1( -1/2).

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  4. A.Statement I is True: Statement II is True; Statement II is a correct...

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  5. The number of ordered pair (x ,\ y) satisfying correspondence C1 is 1 ...

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  6. The number of ordered pairs of integers (x,y) satisfying the equation ...

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  7. is a function which is- a.  one-one           b.  many-one         ...

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  8. p+r+2q= 1 b. 2 c. 0 d. 4

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  9. If bdot(log)(|"s"|)|p+q|=kdota then value of k is- 9/2 b. 6 c. (-3)/2 ...

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  10. Solve : cos ^(−1)(cos( (7π)/6) )

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  11. The number of integral values of k for which the equation sin ^−1 x+t...

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  12. If A ^2 −A+I=0 then A^(−1 ) =

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  13. The number of solution of the equation 2[x] = x + 1 + {x} is/are a. 1 ...

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  14. Solve : tan ^(−1) (tan((3π)/4))=

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  15. Solve: tan ^ (-1)tan((2pi)/3))

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  16. Draw the graph of the following function: f(x)=sin^(-1)(x+2)

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  17. Draw the graph of the following function: g(x)=cos^(-1)x

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  18. Draw the graph of the following function: h(x)=|tan^(-1)(3x)|\

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  19. If f(x) = cos^(-1)x + cos^(-1){(x)/(2)+(1)/(2)sqrt(3-3x^(2))} then :

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  20. If cos^(-1)x/a+cos^(-1)y/b=alpha , then (x^2)/(a^2)-(2x y)/(a b)cosalp...

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