Let `S=1/(sin8^@)+1/(sin16^@)+1/(sin32^@)+....+1/(sin4096^@)+1/(sin8192^@)`, If `S=1/sinK^@` where `K in (0,90^@)` , then K equal to

Let quad S=(1)/(sin8^(@))+(1)/(sin16^(@))+(1)/(sin32^(@))+...+(1)/(sin4096^(@))+(1)/(sin8192^(@)) If S=(1)/(sin K^(@)) where K in(0,90^(@)), then K equal to

(1)/(sin1^(@)sin2^(@))+(1)/(sin2^(@)sin3^(@))......+(1)/(sin89^(@) sin90^(@))

If cos20^(@)+2sin^(2)55^(@)=1+sqrt(2)sinK^(@), K in (0, 90)," then "K=

If cos20^(@)+2sin^(2)55^(@)=1+sqrt(2)sinK^(@) , K in (0, 90^(@)) , then K= _____.

If cos20^(@)+2sin^(2)55^(@)=1+sqrt(2)sinK^(@), K in (0, 90)," then "K=

If (1+ sin6^(@))/( cos 6^(@))=tan A =sqrt((1+ sinB)/(1- sin B)), where A and B in (0,90^(@)) , then

If (1+ sin6^(@))/( cos 6^(@))=tan A =sqrt((1+ sinB)/(1- sin B)), where A and B in (0,90^(@)) , then

If (1+ sin6^(@))/( cos 6^(@))=tan A =sqrt((1+ sinB)/(1- sin B)), where A and B in (0,90^(@)) , then

The sum 1/(sin4 5^(@)sin4 6^(@))+1/(sin4 7^(@)sin4 8^(@)) +1/(sin 49^@ sin 50^@)+...+1/(sin 133^@ sin 134^@) is equal to

The sum 1/(sin4 5^(@)sin4 6^(@))+1/(sin4 7^(@)sin4 8^(@)) +1/(sin 49^@ sin 50^@)+...+1/(sin 133^@ sin 134^@) is equal to