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If z=sec^(-1)(x+1/x)+sec^(-1)(y+1/y), wh...

If `z=sec^(-1)(x+1/x)+sec^(-1)(y+1/y),` where `x y<0,` then the possible values of `z` is (are) `(8pi)/(10)` (b) `(7pi)/(10)` (c) `(9pi)/(10)` (d) `(21pi)/(20)`

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CENGAGE PUBLICATION-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
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  2. If cot^(-1)((n^2-10 n+21. 6)/pi)>pi/6, then the possible values of n i...

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  3. If z=sec^(-1)(x+1/x)+sec^(-1)(y+1/y), where x y<0, then the possible v...

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  4. If (sin^(-1)x+sin^(-1)w)(sin^(-1)y+sin^(-1)z)=pi^2, then D=|x^(N1)y^(N...

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  5. Indicate the relation which can hold in their respective domain for ...

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  6. If x&lt;0,t h e ntan^(-1)x is equal to

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  7. If tan^(-1)(x+3/x)-tan^(-1)(x-3/x)=tan^(-1) (6/x ) then the value of x...

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  8. If sin^(-1)x+sin^(-1)y=pi/2 and sin2x=cos2y , then (a) x=pi/8+sqrt(...

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  9. If cos^(-1)x+cos^(-1)y+cos^(-1)z=pi,t h e n prove t h a t x^2+y^2+z^...

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  10. If alpha in (0,pi/2) , then the value of tan^(-1)(cotalpha)-cot^(-1)(t...

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  11. tan^(-1)[(cosx)/(1+sinx)] is equal to pi/4-x/2,when (a) x in (-pi/2,(...

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  12. The value of the expression sin^(-1)(sin(22pi)/7)+cos^(-1)(cos(5pi)/3)...

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  13. The value of sin^(-1)("cos"(cos^(-1)(cosx)+sin^(-1)(sinx))), where x i...

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  14. Complete solution set of tan^2(sin^(-1)x)&gt;1 is (a)(-1,-1/(sqrt(2)...

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  15. The value of sin^(-1)(sin12)+cos^(-1)(cos12)=

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  16. The range of the values of p for which the equation sin cos^(-1) ( co...

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  17. The sum of the solution of the equation 2sin^(-1)sqrt(x^2+x+1)+cos^(-1...

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  18. Complete solution set of [cot^(-1)x]+2[tan^(-1)x]=0, where [] denote...

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  19. The maximum value of f(x)=tan^(-1)(((sqrt(12)-2)x^2)/(x^4+2x^2+3)) is...

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  20. Evaluate : sec^2(tan^(-1)2)+cosec^2(cot^(-1)3).

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