Home
Class 12
MATHS
sum(r=1)^(2002+(2k-1))cos((2rpi)/7)+isin...

`sum_(r=1)^(2002+(2k-1))cos((2rpi)/7)+isin((2rpi)/7)=0` then the non negative integtral values of k less than 10 may be

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    AAKASH INSTITUTE|Exercise section-H ( Multiple True-False Type Questions|5 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    AAKASH INSTITUTE|Exercise section-I (Subjective Type Questions)|15 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    AAKASH INSTITUTE|Exercise Section-F ( Matrix -Match type Question)|10 Videos

  • BINOMIAL THEOREM

    AAKASH INSTITUTE|Exercise Assignment (section-J) Objective type question (Aakash Challengers Questions)|4 Videos

  • CONIC SECTIONS

    AAKASH INSTITUTE|Exercise SECTION - J ( Aakash Challengers Questions )|14 Videos

Similar Questions

Explore conceptually related problems

sum_(r=1)^(2002+(2k-1))cos((2r pi)/(7))+i sin((2r pi)/(7))=0 then the non negative integtral values of k less than 10 may be

sum_(r=1)^(n-1)cos^(2)""(rpi)/(n) is equal to

Find sum_(r=1)^(10) cos^(3) rpi/3 .

If [(cos (2pi)/7,-sin (2pi)/7),(sin (2pi)/7,cos (2pi)/7)]^k=[(1,0),(0,1)], then the least positive integral value of k, is

sum_(m=1)^(32)m[sum_(k=1)^(6)sin2k(pi)/(7)-i cos2k(pi)/(7)]

sum_(r=0)^(n) sin^(2)""(rpi)/(n) is equal to

The value of sum_(r=1)^(8)(sin(2rpi)/9+icos(2rpi)/9) , is

The value of | sum_(r=1)^(23) cos ((rpi)/(12))| is

If A=sum_(r=1)^(3)"cos"(2r pi)/(7) and B=sum_(r=1)^(3)"cos"(2^(r )pi)/(7) then :