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if cos 4 a sec 2 b, ½, sin 4 a cosec 2 b are in AP, then cos 8 a sec 6 b, ½, sin 8 a cosec 6 b are in ---------- AP GP HP AGP

if cos4a sec2b, ½, sin4a cosec2b are in AP, then cos8a sec6b, ½, sin8a cosec6b are in ----------
  1. AP
  2. GP
  3. HP
  4. AGP

Grade:12th pass

1 Answers

Y RAJYALAKSHMI
45 Points
8 years ago
don’t bother,  I have solved this problem.
Ans: AP

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