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If cos e c^(-1)x+cos e c^(-1)y+cos e c^(...

If `cos e c^(-1)x+cos e c^(-1)y+cos e c^(-1)z=-(3pi)/2,` find the value of `x/y+y/z+z/xdot`

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`cosec^-1 x=> [ -pi/2,0) uu (0, pi/2]`
`cosec^-1 x = -pi/2`
`cosec^-1 y = -pi/2`
`cosec^-1 z = -pi/2`
`x= -1`
`y= -1`
`z=-1`
`=> x/y + y/z + z/x`
...
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RD SHARMA-INVERSE TRIGONOMETRIC FUNCTION-Solved Examples And Exercises
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  4. For the principal values, evaluate each of the following: tan^(-1)sqr...

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  6. For the principal values, evaluate the following: sin^(-1)(-(sqrt(3))...

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  7. The value of tan{cos^(-1)1/(5sqrt(2))-sin^(-1)4/(sqrt(17))} is (sqrt(2...

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  9. Write the value of tan^(-1){2sin(2cos^(-1)(sqrt(3))/2)}dot

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  10. Write the principal value of cos^(-1)(cos680^0)dot

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

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  12. Write the principal value of cos^(-1)(cos(2pi)/3)+sin^(-1)(s in(2pi)/3...

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  13. If tan^(-1)(sqrt(3))+cot^(-1)x=pi/2,t h e nfin dxdot

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  14. If sin^(-1)(1/3)+cos^(-1)x=pi/2,then find x

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  15. Write the value of 2sin^(-1)\ 1/2+cos^(-1)((a-b)/(a+b))

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  16. Evaluate: sin^(-1)(s in(3pi)/5)

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  17. If (tan^(-1)x)^(2)+(cot^(-1)x)^(2)=(5 pi^(2))/(8), then the value of x...

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  19. Evaluate: (i) tan{cos^(-1)(-7/(25))} (ii) "c o s e c"{cot^(-1)(-(12)/...

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  20. Evaluate: sin{cos^(-1)(-(3)/5)+cot^(-1)(-5/(12))}

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