Prove that `cosec^(2)22^(@)cot^(2)68^(@)=sin^(2)22^(@)+sin^(2)68^(@)+cot^(2)68^(@)`.

sin^(2)22^(@)+sin^(2)38^(@)+sin22^(@) sin38^(@)=

Show that cosec^2(25^@)cot^2(65^@)=sin^2(25^@)+sin^2(65^@)+cot^2(65^@) .

The value of sin^(2)22^(@) + sin^(2)68^(@) + cot^(2)30^(@) is

Prove that "cosec"^2""24 cot^2""66^@ = sin^(2)24^@ +sin^2 ""66^@+cot^2""66^@ .

Find the value of [(sin^(2)22^(@)+sin^(2)68^(@))/(cos^(2)22^(@)+cos^(2)68^(@))+sin^(2)63^(@)+cos63^(@)sin27^(@)]

Answer the following by a number or a word or a sentence : What is the value of (sin^(2)22^(@)+sin^(2)68^(@))/(cos^(2)22^(@)+cos^(2)68^(@))+sin^(2)63^(@)+cos63^(@)sin27^(@) ?

Prove that (1+sec22^(@)+cot68^(@))(1-cosec22^(@)+tan68^(@))=2

(sin^2 22^@ + sin^2 68^@ + cot^2 68^@) equals___

Prove that cos32^(@) sin20^(@) + cos144^(@) cos2^(@) + sin68^(@) cos56^(@) = 0

prove that cot22(1)/(2)=sqrt(2)+1