" 5."((sin27^(@))/(cos63^(@)))^(2)+((cos63^(@))/(sin27^(@)))^(2)

Evaluate the following: (i) (cot40^@)/(tan50^@)-1/2((cos35^@)/(sin55^@)) (ii) ((sin27^@)/(cos63^@))^2-((cos63^@)/(sin27^@))^2

Solve the following: ((sin 27^@)/(cos 63^@))- ((cos 27^@)/(sin 63^@))^2

cos57^(@)+sin27^(@)=

Evaluate the following: (i) (cot40o)/(tan50o)-1/2((cos35o)/(sin55o)) (ii) ((sin27o)/(cos63o))^2-((cos63o)/(sin27o))^2

Evaluate sin63^(@)cos27^(@)+cos63^(@)sin27^(@)=

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^(@) ?

Evaluate sin 27 ^(@) sin 63 ^(@) - cos 63^(@) cos 27 ^(@)

(cos ec ^ (2) (63 ^ (@)) + tan ^ (2) (24 ^ (@))) / (cot ^ (2) (66 ^ (@)) + sec ^ (2) (27 ^ (@))) + (sin ^ (2) (63 ^ (@)) + cos (63 ^ (@)) sin (27 ^ (@)) + sin (27 ^ (@)) sec (63 ^ (@))) / (2 [cos ec ^ (2) (65 ^ (@)) - tan ^ (2) (25 ^ (@))])