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Find the principal value of tan^(-1){...

Find the principal value of `tan^(-1){cos(3pi)/2}`

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`tan^(-1){cos((3pi)/2)}`
`=tan^(-1)(0)=0`
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RD SHARMA-INVERSE TRIGONOMETRIC FUNCTION-Solved Examples And Exercises
  1. Find the principal value of tan^(-1)(1)

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  2. Find the principal value of tan^(-1){sin(-pi/2)}

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  3. Find the principal value of tan^(-1){cos(3pi)/2}

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  4. For the principal values, evaluate each of the following: tan^(-1){2c...

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  5. For the principal values, evaluate each of the following: tan^(-1){2c...

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  6. What is greater, tan1 or tan^(-1)1?

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  7. Find the minimum value of n for which tan^(-1)(n/pi)>pi/4,n in Ndo...

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  8. Find the principal value of each of the following: tan^(-1)(1/(sqrt...

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  9. Find the principal value of each of the following: tan^(-1)(cos(pi/2...

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  10. For the principal value, evaluate tan^(-1)(-1)+cos^(-1)(-1/(sqrt(2)...

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  11. For the principal value, evaluate tan^(-1){2sin(4\ cos^(-1)(sqrt(3)...

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  12. Evaluate: tan^(-1)1+cos^(-1)(-1/2)+sin^(-1)(-1/2)

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  13. tan^(- 1)(-1/(sqrt(3)))+tan^(- 1)(-sqrt(3))+tan^(- 1)(sin(-pi/2))

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  14. Evaluate: tan^(-1)(tan((5pi)/6))+cos^(-1){cos(((13pi)/6))}

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  15. Find the principal value of sec^(-1)(2)

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  16. Find the principal value of sec^(-1)((-2)/(sqrt(3)))

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  17. Find the set of values of sec^(-1)((sqrt(3))/2)

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  18. Find the principal values of sec^(-1)(2/(sqrt(3))) and sec^(-1)(-2)

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  19. Find the domain of sec^(-1)(2x+1) .

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  20. Find the principal values of each of the following: sec^(-1)(-sqrt(...

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