sum of series.............. logcosx/2+logx/4+logcosx/8+...............logcosx/2n+logsinx/2n
chandu , 10 Years ago
Grade 11
1 Answers
Amit Jain
Last Activity: 10 Years ago
Use logx + log y = logxy for all the terms. Then apply the sin2A= 2sinAcosA. The sum will be reduced to log(sinx/2^n).
Hope that helps.
Amit Jain
IIT Delhi
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free