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Write the principal value of cos^(-1)(co...

Write the principal value of `cos^(-1)(cos(2pi)/3)+sin^(-1)(sin(2pi)/3)`

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RD SHARMA ENGLISH-INVERSE TRIGONOMETRIC FUNCTION-All Questions
  1. What is the principal value of sin^(-1)(-(sqrt(3))/2)\ ?

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  2. Find the principal value of: sin^(-1)(-1/2)

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

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  4. Write the value of tan(2tan^(-1)(1/5)) .

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  5. Write the principal value of tan^(-1)(1)+cos^(-1)(-1/2)

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  6. Write the value of tan^(-1)[2sin(2cos^(-1)((sqrt(3))/2))] .

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  7. Write the principal value of tan^(-1)sqrt((3))-cot^(-1)sqrt((-3)) .

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  8. Write the principal value of cos^(-1)[cos(680^0)]dot

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  9. The value of sin^(-1)(sin'(3pi)/(5)) is "….."

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  10. Write the value of sec^(-1)(1/2) .

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  11. The value of cos^(-1)(cos(14pi)/(3)) is

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  12. Write the value of cos(sin^(-1)x+cos^(-1)x) , |x|lt=1 .

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  13. The value of tan((sin^(-1)x+cos^(-1)x)/(2)), when x = (sqrt(3))/(2), i...

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  14. The principal value of sin^(-1)[cos(sin^(-1)'1/2)] is

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  15. Find the set of values of "c o s e c"^(-1)((sqrt(3))/2)

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  16. Write the value of tan^(-1)(1/x) for x<0 in terms of cot^(-1)(x) .

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  17. The value of cot^(-1)(-x) x in R in terms of cot^(-1)x is

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  18. Write the value of cos((tan^(-1)x+cot^(-1)x)/3) , when x=-1/(sqrt(3)) ...

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  19. If cos(tan^(-1)x+cot^(-1)sqrt(3))=0 , find the value of xdot

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  20. Find the value of 2\ sec^(-1)2+sin^(-1)(1/2) .

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