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(cos""(pi)/(6)+isin""(pi)/(6))^(1//2)+(c...

`(cos""(pi)/(6)+isin""(pi)/(6))^(1//2)+(cos""(pi)/(6)-isin""(pi)/(6))^(11//2)`

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((1+cos""(pi)/(8)-isin""(pi)/(8))/(1+cos""(pi)/(8)+isin""(pi)/(8)))^(8)

((1+"cos"(pi)/(8)+"isin"(pi)/(8))/(1+"cos"(pi)/(8)-"isin"(pi)/(8)))^(8)=

One of the value of [cos(pi//6)-isin(pi//6)]^(11//2)/[cos(pi//6)+isin(pi//6)]^(1//2) is

cos""(2pi)/(15) cos ""(4pi)/(15)""cos(8pi)/(15) cos""(16pi)/(15)=

The value of cos""(pi)/(7)+cos""(2pi)/(7)cos""(3pi)/(7)+cos""(4pi)/(7)+cos""(5pi)/(7)+cos""(6pi)/(7)+cos""(7pi)/(7) is

sin^(2)""(2pi)/(3)+ cos^(2)""(5pi)/6-tan^(2)""(3pi)/4=

cot ^(2) "" (pi)/(6) + cosec ""(5pi)/(6) + 3 tan ^(2) ""(pi)/(6) =6

AAKASH SERIES-DEMOIVRE'S THEOREM-EXERCISE - 6 (SHORT ANSWER QUESTIONS)
  1. If n is an integer and z=cis theta,(theta ne (2n+1)pi/2), then show th...

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  2. (cos""(pi)/(6)+isin""(pi)/(6))^(1//2)+(cos""(pi)/(6)-isin""(pi)/(6))^(...

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  3. Show that one value of ((1+sin""pi/8+i cos ""pi/8)/(1+sin"" pi/8-i...

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  4. Find all the values of following . (-i)^(1//6)

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  5. Find all the values of following . (-16)^(1//4)

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  6. Find all the values of following . (-32)^(1//5)

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  7. Find all the values of the following (sqrt3+i)^(1//4)

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  8. Find all the values of following . (1 - I sqrt3)^(1//3)

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  9. Find all the values of following . (1 + i)^(2//3)

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  10. If 1 , omega , omega^(2) are the cube roots of unity, then prove that ...

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  11. If 1 , omega , omega^(2) are the cube roots of unity prove that (...

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  12. If 1 , omega , omega^(2) are the cube roots of unity, then prove that ...

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  13. If 1 , omega , omega^(2) are the cube roots of unity prove that (a...

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  14. If 1 , omega , omega^(2) are the cube roots of unity prove that x^...

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  15. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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  16. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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  17. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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  18. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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  19. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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  20. If 1 , omega , omega^(2) are the cube roots of unity , then find the ...

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